PT-2020-20742 · Weechat+3 · Weechat+3

Published 2020-03-23 · Updated 2022-04-01 · CVE-2020-9760

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions WeeChat versions 0.3.4 through 2.7

Description An issue was discovered in WeeChat where a buffer overflow and possibly a crash can happen when a new IRC message 005 is received with longer nick prefixes and a new mode is set for a nick.

Recommendations For WeeChat versions 0.3.4 through 2.7, update to version 2.7.1 or later to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALT-PU-2020-1694

CVE-2020-9760

DLA-2157-1

DLA-2770-1

MGASA-2020-0153

USN-5258-1

Affected Products

Alt Linux

Linuxmint

Ubuntu

Weechat

References · 26

• https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f · Patch
• https://weechat.org/doc/security · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-9760 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-9760 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2157-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0153 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-14727 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-8955 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-9760 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-40516 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9760 · Security Note
• https://osv.dev/vulnerability/DLA-2770-1 · Vendor Advisory
• https://security.gentoo.org/glsa/202003-51 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-9760 · Security Note
• https://ubuntu.com/security/notices/USN-5258-1 · Vendor Advisory