Input validation error in Wireshark - CVE-2014-6421
Published: September 20, 2014 / Updated: March 24, 2022
Vulnerability identifier: #VU41292
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:U/U:Green
CVE-ID: CVE-2014-6421
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit 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 (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.
How to mitigate CVE-2014-6421
Install update from vendor's website.
Sources
- 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/61929
- http://secunia.com/advisories/61933
- http://www.wireshark.org/security/wnpa-sec-2014-12.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9920
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=04c05a21e34cec326f1aff2f5f8a6e74e1ced984