CVE-2020-8955 Information

Description

irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/ 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