CVE-2020-13164
HIGH severity · CVSS 7.5 · CWE-674
7.5CVSS HIGH
Summary
In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.1/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=16476 ↗
Additional information
- NVD record
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16476Patch
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlAdvisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e6e98eab8e5e0bbc982cfdc808f2469d7cab6c5a
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UOISPQTRCZGQLKBVXEDL72AEXEHS425/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNV3EYL4JBWCR22TJO3PH7ADUVS5RWSU/
- https://security.gentoo.org/glsa/202007-13Advisory