Vulnerability Monitor

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CVE-2018-6836

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.

Published

2018-02-08T07:29:01.197

Last Modified

2024-11-21T04:11:16.433

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-763

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wireshark	wireshark	≤ 2.4.4	Yes

References

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://code.wireshark.org/review/#/c/25660/ Issue Tracking, Patch ([email protected])
https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c Patch ([email protected])
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef ([email protected])
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://code.wireshark.org/review/#/c/25660/ Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c Patch (af854a3a-2127-422b-91ae-364da2661108)
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef (af854a3a-2127-422b-91ae-364da2661108)