CVE-2020-28949
Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.
02 Description
Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-08-25. Federal remediation due 2022-09-15.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 84.55% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.6% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-11-19 18:14Z5 YR AGO
- Last updated
- 2025-10-21 23:35Z1 YR AGO
- Reserved
- 2020-11-19
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- d0ce2c3deaf045580a4f27540e1babb90b2ec9ee58994cd79edc3b738b342ad4
05 Affected products
06 References
- github.comhttps://github.com/pear/Archive_Tar/issues/33
- www.drupal.orghttps://www.drupal.org/sa-core-2020-013
- lists.debian.org[debian-lts-announce] 20201127 [SECURITY] [DLA 2466-1] drupal7 security updatehttps://lists.debian.org/debian-lts-announce/2020/11/msg00045.html
- lists.fedoraproject.orgFEDORA-2020-f351eb14e3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/
- lists.fedoraproject.orgFEDORA-2020-5271a896ffhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/
- lists.fedoraproject.orgFEDORA-2020-6f1079934chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
- lists.fedoraproject.orgFEDORA-2020-d50d74d6f2https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
- www.debian.orgDSA-4817https://www.debian.org/security/2020/dsa-4817
- packetstormsecurity.comhttp://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html
- security.gentoo.orgGLSA-202101-23https://security.gentoo.org/glsa/202101-23
- lists.fedoraproject.orgFEDORA-2021-8093e197f4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/
- lists.fedoraproject.orgFEDORA-2021-0c013f520chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-28949
07 Fixed in
AlmaLinux 8
- apcu-panel Fixed in 5.1.18-1.module_el8.6.0+2750+78feabcb
- libzip Fixed
A version is affected if any line below covers it.
- Affected before 1.6.1-1.module_el8.6.0+2750+78feabcb
- Affected before 1.6.1-1.module_el8.6.0+3239+bedf0508
- libzip-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.6.1-1.module_el8.6.0+2750+78feabcb
- Affected before 1.6.1-1.module_el8.6.0+3239+bedf0508
- libzip-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.6.1-1.module_el8.6.0+2750+78feabcb
- Affected before 1.6.1-1.module_el8.6.0+3239+bedf0508
- php Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-bcmath Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-cli Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-common Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-dba Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-dbg Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-devel Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-embedded Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-enchant Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-ffi Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-fpm Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-gd Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-gmp Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-intl Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-json Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-ldap Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-mbstring Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-mysqlnd Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-odbc Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-opcache Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-pdo Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-pear Fixed in 1:1.10.13-1.module_el8.6.0+3268+b150a051
- php-pecl-apcu Fixed
A version is affected if any line below covers it.
- Affected before 5.1.18-1.module_el8.6.0+2750+78feabcb
- Affected before 5.1.18-1.module_el8.6.0+3239+bedf0508
- php-pecl-apcu-devel Fixed
A version is affected if any line below covers it.
- Affected before 5.1.18-1.module_el8.6.0+2750+78feabcb
- Affected before 5.1.18-1.module_el8.6.0+3239+bedf0508
- php-pecl-rrd Fixed
A version is affected if any line below covers it.
- Affected before 2.0.1-1.module_el8.6.0+2750+78feabcb
- Affected before 2.0.1-1.module_el8.6.0+3239+bedf0508
- php-pecl-xdebug Fixed
A version is affected if any line below covers it.
- Affected before 2.9.5-1.module_el8.6.0+2750+78feabcb
- Affected before 2.9.5-1.module_el8.6.0+3239+bedf0508
- php-pecl-zip Fixed
A version is affected if any line below covers it.
- Affected before 1.18.2-1.module_el8.6.0+2750+78feabcb
- Affected before 1.18.2-1.module_el8.6.0+3239+bedf0508
- php-pgsql Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-process Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-snmp Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-soap Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-xml Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-xmlrpc Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- apcu-panel Fixed in 5.1.18-1.module_el8.6.0+2750+78feabcb
- libzip Fixed
A version is affected if any line below covers it.
- Affected before 1.6.1-1.module_el8.6.0+2750+78feabcb
- Affected before 1.6.1-1.module_el8.6.0+3239+bedf0508
- libzip-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.6.1-1.module_el8.6.0+2750+78feabcb
- Affected before 1.6.1-1.module_el8.6.0+3239+bedf0508
- libzip-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.6.1-1.module_el8.6.0+2750+78feabcb
- Affected before 1.6.1-1.module_el8.6.0+3239+bedf0508
- php Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-bcmath Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-cli Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-common Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-dba Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-dbg Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-devel Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-embedded Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-enchant Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-ffi Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-fpm Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-gd Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-gmp Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-intl Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-json Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-ldap Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-mbstring Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-mysqlnd Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-odbc Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-opcache Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-pdo Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-pear Fixed in 1:1.10.13-1.module_el8.6.0+3268+b150a051
- php-pecl-apcu Fixed
A version is affected if any line below covers it.
- Affected before 5.1.18-1.module_el8.6.0+2750+78feabcb
- Affected before 5.1.18-1.module_el8.6.0+3239+bedf0508
- php-pecl-apcu-devel Fixed
A version is affected if any line below covers it.
- Affected before 5.1.18-1.module_el8.6.0+2750+78feabcb
- Affected before 5.1.18-1.module_el8.6.0+3239+bedf0508
- php-pecl-rrd Fixed
A version is affected if any line below covers it.
- Affected before 2.0.1-1.module_el8.6.0+2750+78feabcb
- Affected before 2.0.1-1.module_el8.6.0+3239+bedf0508
- php-pecl-xdebug Fixed
A version is affected if any line below covers it.
- Affected before 2.9.5-1.module_el8.6.0+2750+78feabcb
- Affected before 2.9.5-1.module_el8.6.0+3239+bedf0508
- php-pecl-zip Fixed
A version is affected if any line below covers it.
- Affected before 1.18.2-1.module_el8.6.0+2750+78feabcb
- Affected before 1.18.2-1.module_el8.6.0+3239+bedf0508
- php-pgsql Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-process Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-snmp Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-soap Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-xml Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
- php-xmlrpc Fixed
A version is affected if any line below covers it.
- Affected before 7.4.19-4.module_el8.6.0+3238+624bf8b8
- Affected before 7.4.19-4.module_el8.6.0+3239+bedf0508
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- php-pear Fixed in 1:1.10.9+submodules+notgz-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- php-pear Fixed in 1:1.10.9+submodules+notgz-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- php-pear Fixed in 1:1.10.9+submodules+notgz-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- php-pear Fixed in 1:1.10.1+submodules+notgz-6ubuntu0.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- php-pear Fixed in 1:1.10.5+submodules+notgz-1ubuntu1.18.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- php-pear Fixed in 1:1.10.9+submodules+notgz-1ubuntu0.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- drupal7 Fixed in 7.26-1ubuntu0.1+esm2Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- drupal7 Fixed in 7.44-1ubuntu1~16.04.0+esm2Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.