CVE-2011-0015

Description

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.35% Top 20%
Vendor Advisory debian.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory vupen.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://archives.seul.org/or/announce/Jan-2011/msg00000.html mailing list patch
http://www.vupen.com/english/advisories/2011/0131 vdb entry vendor advisory
https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog patch
https://trac.torproject.org/projects/tor/ticket/2324
http://secunia.com/advisories/42907 third party advisory vendor advisory
http://blog.torproject.org/blog/tor-02129-released-security-patches patch
http://www.securitytracker.com/id?1024980 vdb entry
http://www.vupen.com/english/advisories/2011/0132 vdb entry vendor advisory
http://www.debian.org/security/2011/dsa-2148 vendor advisory
http://secunia.com/advisories/42905 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2011/01/18/7 mailing list
http://www.securityfocus.com/bid/45832 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-0015?
CVE-2011-0015 has been scored as a medium severity vulnerability.
How to fix CVE-2011-0015?
To fix CVE-2011-0015, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0015 being actively exploited in the wild?
It is possible that CVE-2011-0015 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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