CVE-2017-17997
HIGH severity · CVSS 7.5 · CWE-476
7.5CVSS HIGH
Summary
In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
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.
Official patch: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299 ↗
Additional information
- NVD record
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299Patch
- https://code.wireshark.org/review/#/c/25063/Patch
- https://www.wireshark.org/security/wnpa-sec-2018-02.htmlAdvisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlAdvisory