CVE-2019-5477
A command injection vulnerability in Nokogiri v1.10.3 and earlier allows commands to be executed in a subprocess via Ruby's `Kernel.open` method. Processes are vulnerable only if the undocumented
02 Description
A command injection vulnerability in Nokogiri v1.10.3 and earlier allows commands to be executed in a subprocess via Ruby's `Kernel.open` method. Processes are vulnerable only if the undocumented
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.89% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.0% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2019-08-16 00:00Z7 YR AGO
- Last updated
- 2024-08-04 19:54Z2 YR AGO
- Reserved
- 2019-01-04
- Assigning CNA
- hackerone
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.1
- Document digest
- 83bd304de1165571145f0d69d4770d455a44cc03ca44faafe60b7b3767264d82
05 Affected products
06 References
- hackerone.comhttps://hackerone.com/reports/650835
- github.comhttps://github.com/tenderlove/rexical/blob/master/CHANGELOG.rdoc
- github.comhttps://github.com/sparklemotion/nokogiri/issues/1915
- lists.debian.org[debian-lts-announce] 20190926 [SECURITY] [DLA 1933-1] ruby-nokogiri security updatehttps://lists.debian.org/debian-lts-announce/2019/09/msg00027.html
- usn.ubuntu.comUSN-4175-1https://usn.ubuntu.com/4175-1/
- security.gentoo.orgGLSA-202006-05https://security.gentoo.org/glsa/202006-05
- lists.debian.org[debian-lts-announce] 20221012 [SECURITY] [DLA 3149-1] ruby-nokogiri security updatehttps://lists.debian.org/debian-lts-announce/2022/10/msg00018.html
- lists.debian.org[debian-lts-announce] 20221012 [SECURITY] [DLA 3150-1] rexical security updatehttps://lists.debian.org/debian-lts-announce/2022/10/msg00019.html
07 Fixed in
Debian 12
- rexical Fixed in 1.0.7-1
- ruby-nokogiri Fixed in 1.10.4+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- rexical Fixed in 1.0.7-1
- ruby-nokogiri Fixed in 1.10.4+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- rexical Fixed in 1.0.7-1
- ruby-nokogiri Fixed in 1.10.4+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- ruby-nokogiri Fixed in 1.6.7.2-3ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- ruby-nokogiri Fixed in 1.8.2-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- ruby-nokogiri Fixed in 1.6.1+ds-1ubuntu0.1~esm1Available 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.
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.