The P1 dissector in Wireshark 1.10.x before 1.10.1 does not properly initialize a global variable, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-4920 from the MITRE CVE dictionary dictionary and NIST NVD.
Not Vulnerable. This issue does not affect the version of wireshark, as shipped with Red Hat Enterprise Linux 5 and 6.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 4.3 |
---|---|
Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Access Vector | Network |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | wireshark | Not affected |
Red Hat Enterprise Linux 6 | wireshark | Not affected |
Red Hat Enterprise Linux 5 | wireshark | Not affected |