CVE-2011-0493

Description

Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha might allow remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors related to malformed router caches and improper handling of integer values.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.38% Top 25%
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
https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog patch
https://trac.torproject.org/projects/tor/ticket/2352
http://blog.torproject.org/blog/tor-02129-released-security-patches patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/64864 vdb entry
http://www.securityfocus.com/bid/45953 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-0493?
CVE-2011-0493 has been scored as a medium severity vulnerability.
How to fix CVE-2011-0493?
To fix CVE-2011-0493, 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-2011-0493 being actively exploited in the wild?
It is possible that CVE-2011-0493 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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