CVE-2015-3202
fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted
02 Description
fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted
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
- 1.00% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. 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
- 2015-07-02 21:16Z11 YR AGO
- Last updated
- 2024-08-06 05:39Z2 YR AGO
- Reserved
- 2015-04-10
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- fb39fd34184a5771ace0c9c4147828cef522445c74cd5fb44277dfb0c822ab1e
05 Affected products
06 References
- www.debian.orgDSA-3268http://www.debian.org/security/2015/dsa-3268
- www.ubuntu.comUSN-2617-1http://www.ubuntu.com/usn/USN-2617-1
- lists.fedoraproject.orgFEDORA-2015-8771http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159543.html
- lists.fedoraproject.orgFEDORA-2015-8782http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160094.html
- lists.fedoraproject.orgFEDORA-2015-8751http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159831.html
- www.securitytracker.com1032386http://www.securitytracker.com/id/1032386
- gist.github.comhttps://gist.github.com/taviso/ecb70eb12d461dd85cba
- www.securityfocus.com74765http://www.securityfocus.com/bid/74765
- lists.fedoraproject.orgFEDORA-2015-8773http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159298.html
- lists.opensuse.orgopenSUSE-SU-2015:1003http://lists.opensuse.org/opensuse-updates/2015-06/msg00007.html
- www.debian.orgDSA-3266http://www.debian.org/security/2015/dsa-3266
- security.gentoo.orgGLSA-201603-04https://security.gentoo.org/glsa/201603-04
- www.ubuntu.comUSN-2617-2http://www.ubuntu.com/usn/USN-2617-2
- lists.fedoraproject.orgFEDORA-2015-8777http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160106.html
- lists.fedoraproject.orgFEDORA-2015-8756http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159683.html
- security.gentoo.orgGLSA-201701-19https://security.gentoo.org/glsa/201701-19
- www.openwall.com[oss-security] 20150521 CVE-2015-3202 fuse privilege escalationhttp://www.openwall.com/lists/oss-security/2015/05/21/9
- lists.opensuse.orgopenSUSE-SU-2015:0997http://lists.opensuse.org/opensuse-updates/2015-06/msg00005.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/132021/Fuse-Local-Privilege-Escalation.html
- twitter.comhttps://twitter.com/taviso/status/601370527437967360
- www.exploit-db.com37089https://www.exploit-db.com/exploits/37089/
- www.ubuntu.comUSN-2617-3http://www.ubuntu.com/usn/USN-2617-3
07 Fixed in
Debian 12
- fuse Fixed in 2.9.3-16
- ntfs-3g Fixed in 1:2014.2.15AR.3-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- fuse Fixed in 2.9.3-16
- ntfs-3g Fixed in 1:2014.2.15AR.3-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- ntfs-3g Fixed in 1:2014.2.15AR.3-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- fuse Fixed in 2.9.2-4ubuntu4.14.04.1
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.