Vulnerability Details : CVE-2020-7045
In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.
Products affected by CVE-2020-7045
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7045
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7045
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:N/A:P |
6.5
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-7045
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7045
-
https://www.wireshark.org/security/wnpa-sec-2020-02.html
Wireshark · wnpa-sec-2020-02 · BT ATT dissector crashVendor Advisory
-
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
16258 – [oss-fuzz] Null-dereference READ in dissect_btattExploit;Issue Tracking;Patch;Vendor Advisory
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
code.wireshark Code Review - wireshark.git/commitPatch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
[SECURITY] [DLA 2547-1] wireshark security updateMailing List;Third Party Advisory
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