Buffer overflow in Wireshark - CVE-2014-6431
Published: September 20, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41302
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-2014-6431
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Buffer overflow in the SnifferDecompress function in wiretap/ngsniffer.c in the DOS Sniffer file parser in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 allows remote attackers to cause a denial of service (application crash) via a crafted file that triggers writes of uncompressed bytes beyond the end of the output buffer.
Affected software
Wireshark
Amazon Linux AMI
Gentoo Linux
SUSE Linux
Fedora
wireshark
Amazon Linux AMI
Gentoo Linux
SUSE Linux
Fedora
wireshark
How to mitigate CVE-2014-6431
Install update from vendor's website.
wireshark - update to 1.12.1-1.fc21
External References
- http://linux.oracle.com/errata/ELSA-2014-1676
- http://linux.oracle.com/errata/ELSA-2014-1677
- http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00033.html
- http://lists.opensuse.org/opensuse-updates/2014-09/msg00058.html
- http://rhn.redhat.com/errata/RHSA-2014-1676.html
- http://rhn.redhat.com/errata/RHSA-2014-1677.html
- http://secunia.com/advisories/60280
- http://secunia.com/advisories/60578
- http://secunia.com/advisories/61929
- http://secunia.com/advisories/61933
- http://www.debian.org/security/2014/dsa-3049
- http://www.wireshark.org/security/wnpa-sec-2014-19.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10461
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=47c592938ba9f0caeacc4c2ccadb370e72f293a2