CVE-2018-11358
HIGH severity · CVSS 7.5 · Use-after-free
7.5CVSS HIGH
Summary
In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the Q.931 dissector could crash. This was addressed in epan/dissectors/packet-q931.c by avoiding a use-after-free after a malformed packet prevented certain cleanup.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14689Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-31.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/104308Advisory
- http://www.securitytracker.com/id/1041036Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=ccb1ac3c8cec47fbbbf2e80ced80644005c65252
- https://lists.debian.org/debian-lts-announce/2018/05/msg00019.htmlAdvisory
- https://www.debian.org/security/2018/dsa-4217Advisory