CVE-2020-11647
First published: Fri Apr 10 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wireshark Wireshark | >=2.6.0<=2.6.15 | |
| Wireshark Wireshark | >=3.0.0<=3.0.9 | |
| Wireshark Wireshark | >=3.2.0<=3.2.2 | |
| Debian GNU/Linux | =9.0 | |
| openSUSE | =15.1 | |
| openSUSE | =15.2 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6f56fc9496db158218243ea87e3660c874a0bab0
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://security.gentoo.org/glsa/202007-13
- https://www.wireshark.org/security/wnpa-sec-2020-07.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6f56fc9496db158218243ea87e3660c874a0bab0
Frequently Asked Questions
What is the severity of CVE-2020-11647?
CVE-2020-11647 has been classified as a high severity vulnerability due to its potential to cause application crashes.
How do I fix CVE-2020-11647?
To fix CVE-2020-11647, upgrade Wireshark to version 3.2.3 or later, or 3.0.10 or later, or 2.6.16 or later.
What software versions are affected by CVE-2020-11647?
CVE-2020-11647 affects Wireshark versions 2.6.0 through 2.6.15, 3.0.0 through 3.0.9, and 3.2.0 through 3.2.2.
What type of issue does CVE-2020-11647 represent?
CVE-2020-11647 represents a denial of service (DoS) vulnerability caused by excessive recursion in the BACapp dissector.
Will my system be impacted by CVE-2020-11647?
If you are using one of the affected versions of Wireshark, your system may be impacted by CVE-2020-11647.
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/weakness
- agent/severity
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- vendor/wireshark
- canonical/wireshark wireshark
- version/wireshark wireshark/2.6.0
- version/wireshark wireshark/2.6.15
- version/wireshark wireshark/3.0.0
- version/wireshark wireshark/3.0.9
- version/wireshark wireshark/3.2.0
- version/wireshark wireshark/3.2.2
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0
- vendor/opensuse
- canonical/opensuse
- version/opensuse/15.1
- version/opensuse/15.2