CVE-2020-9760 Information

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

Reference

https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html https://security.gentoo.org/glsa/202003-51 https://weechat.org/doc/security/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8