Critical severity · published Mar 23, 2020
CVE-2020-9760
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected)
9.8
CVSS
2.1%
EPSS
No
On KEV
Description
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
WE
Weechat · Weechat
0.3.4 before 2.7.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9760
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9760
Patch
https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f
Mailing List
https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html
Mailing List
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
Third Party Advisory
https://security.gentoo.org/glsa/202003-51
Vendor Advisory
https://weechat.org/doc/security/
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