Vulnerability Details : 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.
Products affected by CVE-2020-11647
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11647
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11647
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-11647
-
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11647
-
https://www.wireshark.org/security/wnpa-sec-2020-07.html
Wireshark · wnpa-sec-2020-07 · BACapp dissector crashVendor Advisory
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6f56fc9496db158218243ea87e3660c874a0bab0
code.wireshark Code Review - wireshark.git/commitVendor Advisory
-
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474
16474 – [oss-fuzz] #21541: Stack-overflow in fAbstractSyntaxNTypeIssue Tracking;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
[SECURITY] [DLA 2547-1] wireshark security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.html
[security-announce] openSUSE-SU-2020:1199-1: moderate: Security update fMailing List;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202007-13
Wireshark: Multiple vulnerabilities (GLSA 202007-13) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.html
[security-announce] openSUSE-SU-2020:1188-1: moderate: Security update fMailing List;Patch;Third Party Advisory
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