CVE-2018-6836
CRITICAL severity · CVSS 9.8 · CWE-763
9.8CVSS CRITICAL
Summary
The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://code.wireshark.org/review/#/c/25660/ ↗
Additional information
- NVD record
- https://code.wireshark.org/review/#/c/25660/Patch
- https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.cPatch
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397Advisory