VulnerabilityModified
CVE-2011-1956
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.
MEDIUM 4.3EPSS 5.85%
Does this matter?
Lower severity and a low EPSS score (5.85%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 5.85% probability · 93th percentile
- CISA KEV
- Not listed
- Affected
- wireshark/wireshark
- Source
- secalert@redhat.com
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%3Adef%3A14943
- 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%3Adef%3A14943
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.