Integer underflow in the olsr_print function in tcpdump 3.9.6 through 4.6.2, when in verbose mode, allows remote attackers to cause a denial of service (crash) via a crafted length value in an OLSR frame.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-8767 from the MITRE CVE dictionary dictionary and NIST NVD.
Red Hat Product Security has rated this issue as having low security impact, a future update may address this flaw in tcpdump.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 2.9 |
|---|---|
| Base Metrics | AV:A/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Adjacent 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 | tcpdump | Fix deferred |
| Red Hat Enterprise Linux 6 | tcpdump | Fix deferred |
| Red Hat Enterprise Linux 5 | tcpdump | Will not fix |
Vulmon