VulnerabilityModified
CVE-2020-11647
In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash.
HIGH 7.5EPSS 3.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.40% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- wireshark/wireshark · debian/debian linux · opensuse/leap
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlMailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing List, Patch, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474Issue Tracking, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6f56fc9496db158218243ea87e3660c874a0bab0
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202007-13Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-07.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlMailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing List, Patch, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474Issue Tracking, Vendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6f56fc9496db158218243ea87e3660c874a0bab0
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202007-13Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-07.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.