Vulnerability 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 Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 2.6.0, <= 2.6.15 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlMailing ListPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing ListPatchThird Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474Issue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6f56fc94
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing ListThird 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 ListPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing ListPatchThird Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474Issue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6f56fc94
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202007-13Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-07.htmlVendor Advisory
FAQ
What is CVE-2020-11647?
CVE-2020-11647 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2020-11647?
CVE-2020-11647 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-11647?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark, Debian Debian Linux, Opensuse Leap.