Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | <= 2.4.4 |
Related Weaknesses (CWE)
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397ExploitIssue TrackingThird Party Advisory
- https://code.wireshark.org/review/#/c/25660/Issue TrackingPatch
- https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.cPatch
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397ExploitIssue TrackingThird Party Advisory
- https://code.wireshark.org/review/#/c/25660/Issue TrackingPatch
- https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.cPatch
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79
FAQ
What is CVE-2018-6836?
CVE-2018-6836 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 s...
How severe is CVE-2018-6836?
CVE-2018-6836 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-6836?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark.