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Tor CVE-2012-3518

MEDIUM
Buffer Overflow (CWE-119)
2012-08-26 secalert@redhat.com
5.0
CVSS 2.0 · NVD
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Severity by source

NVD PRIMARY
5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:L/Au:N/C:N/I:N/A:P
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P

Lifecycle Timeline

1
CVE Published
Aug 26, 2012 - 03:17 cve.org
MEDIUM 5.0

DescriptionCVE.org

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 (out-of-bounds read and daemon crash) via a crafted (1) vote document or (2) consensus document.

AnalysisAI

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. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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 (out-of-bounds read and daemon crash) via a crafted (1) vote document or (2) consensus document. Affected products include: Tor. Version information: before 0.2.2.38.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

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CVE-2012-3518 vulnerability details – vuln.today

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