Vulnerability 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.
CVSS Score
4.3
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | 1.4.5 |
References
- http://openwall.com/lists/oss-security/2011/05/31/19Exploit
- http://openwall.com/lists/oss-security/2011/06/01/9Exploit
- http://secunia.com/advisories/44449
- http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.htmlPatch
- http://www.wireshark.org/news/20110418.htmlPatch
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67789
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://openwall.com/lists/oss-security/2011/05/31/19Exploit
- http://openwall.com/lists/oss-security/2011/06/01/9Exploit
- http://secunia.com/advisories/44449
- http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.htmlPatch
- http://www.wireshark.org/news/20110418.htmlPatch
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67789
FAQ
What is CVE-2011-1956?
CVE-2011-1956 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 arbit...
How severe is CVE-2011-1956?
CVE-2011-1956 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1956?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark.