Vulnerability · Published Feb 13, 2022 · Assigned by mitre
CVE-2022-24976
Critical 9.1
In plain English
A critical-severity security flaw in the atheme-services package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)1.8%top 21.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Atheme IRC Services before 7.2.12, when used in conjunction with InspIRCd, allows authentication bypass by ending an IRC handshake at a certain point during a challenge-response login sequence.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | atheme-services | 7.2.12-1 | DEBIAN-CVE-2022-24976 |
| Debian:13 | atheme-services | 7.2.12-1 | DEBIAN-CVE-2022-24976 |
| Debian:14 | atheme-services | 7.2.12-1 | DEBIAN-CVE-2022-24976 |
| Ubuntu:22.04:LTS | atheme-services | no fix listed | UBUNTU-CVE-2022-24976 |
| Ubuntu:24.04:LTS | atheme-services | no fix listed | UBUNTU-CVE-2022-24976 |
| Ubuntu:25.10 | atheme-services | no fix listed | UBUNTU-CVE-2022-24976 |
| Ubuntu:26.04:LTS | atheme-services | no fix listed | UBUNTU-CVE-2022-24976 |
| Ubuntu:26.10 | atheme-services | no fix listed | UBUNTU-CVE-2022-24976 |
Affected products (as reported)
References
- https://www.openwall.com/lists/oss-security/2022/01/30/4 x_refsource_MISC
- https://github.com/atheme/atheme/commit/4e664c75d0b280a052eb8b5e81aa41944e593c52 x_refsource_MISC
- https://github.com/atheme/atheme/compare/v7.2.11...v7.2.12 x_refsource_MISC