PT-2020-20393 · Weechat+4 · Weechat+4

Stuart Nevans Locke · Published 2020-02-12 · Updated 2024-06-15 · CVE-2020-8955

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 through 2.7

Description The issue allows remote attackers to cause a denial of service, resulting in a buffer overflow and application crash, or possibly have other unspecified impacts via a malformed IRC message 324, which is related to channel mode.

Recommendations For WeeChat versions through 2.7, update to a version later than 2.7 to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALT-PU-2020-1694

CVE-2020-8955

DLA-2157-1

DLA-2770-1

MGASA-2020-0122

OPENSUSE-SU-2020:0248-1

OPENSUSE-SU-2020_0248-1

OPENSUSE-SU-2024:11508-1

USN-5258-1

Affected Products

Alt Linux

Linuxmint

Suse

Ubuntu

Weechat

References · 37

• https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da · Patch
• https://cve.org/CVERecord?id=CVE-2020-8955 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2020:0248-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0122 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2157-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8955 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:11508-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-8955 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-8955 · Vendor Advisory
• https://weechat.org/doc/security · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html · Vendor Advisory
• https://security.gentoo.org/glsa/202003-51 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-8955 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2020-0122.html · Security Note