CVE-2020-11647
HIGHCVSS 7.5/10EPSS 3.29%
Last modified
CVE-2020-11647 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.29% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
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://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://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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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. 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 a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.29% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11647?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-11647?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST