CVE-2012-3518
The networkstatus_parse_vote_from_string function in routerparse.c in Tor before 0.2.2.38 does not properly handle an invalid flavor name, which allows remote attackers to cause a denial of service
02 Description
The networkstatus_parse_vote_from_string function in routerparse.c in Tor before 0.2.2.38 does not properly handle an invalid flavor name, which allows remote attackers to cause a denial of service
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
- 2.77% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.1% 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 2026-06-16.
- 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
- 2012-08-26 01:00Z14 YR AGO
- Last updated
- 2024-08-06 20:05Z2 YR AGO
- Reserved
- 2012-06-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 1e997c4ecf1861a1e3f49f0927e2cd10ee23fc71573e90ee3624293cd0573cef
05 Affected products
06 References
- security.gentoo.orgGLSA-201301-03http://security.gentoo.org/glsa/glsa-201301-03.xml
- lists.torproject.org[tor-announce] 20120819 Tor 0.2.2.38 is releasedhttps://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html
- secunia.com50583http://secunia.com/advisories/50583
- openwall.com[oss-security] 20120821 Re: CVE Request -- Tor 0.2.2.38: Three issueshttp://openwall.com/lists/oss-security/2012/08/21/6
- gitweb.torproject.orghttps://gitweb.torproject.org/tor.git/commit/55f635745afacefffdaafc72cc176ca7ab817546
- lists.opensuse.orgopenSUSE-SU-2012:1068http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html
- trac.torproject.orghttps://trac.torproject.org/projects/tor/ticket/6530
- gitweb.torproject.orghttps://gitweb.torproject.org/tor.git/commit/57e35ad3d91724882c345ac709666a551a977f0f
07 Fixed in
Debian 12
- tor Fixed in 0.2.3.20-rc-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tor Fixed in 0.2.3.20-rc-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tor Fixed in 0.2.3.20-rc-1
Source: Debian Security Tracker, the Debian security team. 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.