Input validation error in Wireshark - CVE-2011-1956
Published: June 6, 2011 / Updated: March 24, 2022
Vulnerability identifier: #VU44999
CSH Severity: Medium
CVSS v4.0: 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/E:P/U:Green
CVE-ID: CVE-2011-1956
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Wireshark.org
Affected software:
Wireshark
Wireshark
Detailed vulnerability description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic.
How to mitigate CVE-2011-1956
Install update from vendor's website.
Sources
- http://openwall.com/lists/oss-security/2011/05/31/19
- http://openwall.com/lists/oss-security/2011/06/01/9
- http://secunia.com/advisories/44449
- http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html
- http://www.wireshark.org/news/20110418.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67789
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14943