CVE-2011-1956

Public Exploit

Description

The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic.

4.3

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 5.78% Top 10%

Third-Party Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://www.wireshark.org/news/20110418.html	patch
http://openwall.com/lists/oss-security/2011/05/31/19	mailing list exploit
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943	vdb entry signature
https://exchange.xforce.ibmcloud.com/vulnerabilities/67789	vdb entry
http://openwall.com/lists/oss-security/2011/06/01/9	mailing list exploit
http://secunia.com/advisories/44449	third party advisory
http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html	patch
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837	exploit

Frequently Asked Questions

What is the severity of CVE-2011-1956?: CVE-2011-1956 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1956?: To fix CVE-2011-1956, 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-2011-1956 being actively exploited in the wild?: It is possible that CVE-2011-1956 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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