PT-2022-17023 · Unknown+2 · Atheme Irc Services+2

Ed Kellett · Published 2022-02-13 · Updated 2024-06-15 · CVE-2022-24976

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Atheme IRC Services versions prior to 7.2.12

Description The issue allows authentication bypass by ending an IRC handshake at a certain point during a challenge-response login sequence when Atheme IRC Services is used in conjunction with InspIRCd.

Recommendations For versions prior to 7.2.12, update to version 7.2.12 or later to resolve the issue. As a temporary workaround, consider restricting access to the challenge-response login sequence to minimize the risk of exploitation.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2022-24976

OPENSUSE-SU-2022:10018-1

OPENSUSE-SU-2022:10019-1

OPENSUSE-SU-2024:11848-1

Affected Products

Atheme Irc Services

Debian

Inspircd

References · 21

• 🔥 https://openwall.com/lists/oss-security/2022/01/30/4 · Exploit
• https://github.com/atheme/atheme/commit/4e664c75d0b280a052eb8b5e81aa41944e593c52 · Patch
• https://github.com/atheme/atheme/compare/v7.2.11...v7.2.12 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2022:10019-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-24976 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-24976 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-24976 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11848-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-24976 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-24976 · Security Note
• https://ubuntu.com/security/CVE-2022-24976 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:10018-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-24976 · Security Note
• https://t.me/cvenotify/26730 · Telegram Post
• https://t.me/cvenotify/27212 · Telegram Post