CVE-2011-0015

Home/CVE/Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compress

CVE

Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compress

Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compressed data, which allows remote attackers to cause a denial of service via a large compression factor.

MEDIUM · CVSS 5 EPSS 0.02346

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-20Improper Input Validation

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Affected Products & Versions

tor<= 0.2.1.28

torall versions

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published to NVD19 Jan 2011 · 12:00 PM

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://archives.seul.org/or/announce/Jan-2011/msg00000.htmlPatch

http://blog.torproject.org/blog/tor-02129-released-security-patchesPatch

http://secunia.com/advisories/42905Vendor Advisory

http://secunia.com/advisories/42907Vendor Advisory

http://www.debian.org/security/2011/dsa-2148

http://www.openwall.com/lists/oss-security/2011/01/18/7

Show all 12 references

http://www.securityfocus.com/bid/45832

http://www.securitytracker.com/id?1024980

http://www.vupen.com/english/advisories/2011/0131Vendor Advisory

http://www.vupen.com/english/advisories/2011/0132Vendor Advisory

https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLogPatch

https://trac.torproject.org/projects/tor/ticket/2324

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