The dissect_wccp2r1_address_table_info function in epan/dissectors/packet-wccp.c in the WCCP dissector in Wireshark 1.10.x before 1.10.12 and 1.12.x before 1.12.3 does not initialize certain data structures, 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-2015-0560 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6, and 7.
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 |
Vulmon