Input validation error in Wireshark - CVE-2013-4935

 

Input validation error in Wireshark - CVE-2013-4935

Published: July 30, 2013 / Updated: August 4, 2020


Vulnerability identifier: #VU33877
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4935
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The dissect_per_length_determinant function in epan/dissectors/packet-per.c in the ASN.1 PER dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not initialize a length field in certain abnormal situations, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.


Affected software

Wireshark
wireshark (Alpine package)

How to mitigate CVE-2013-4935

Install update from vendor's website.

Wireshark - update to 1.8.9
wireshark (Alpine package) - update to 1.8.9-r0

External References

Related Security Bulletins