Vulnerability Details : CVE-2012-1576
The myuser_delete function in libathemecore/account.c in Atheme 5.x before 5.2.7, 6.x before 6.0.10, and 7.x before 7.0.0-beta2 does not properly clean up CertFP entries when a user is deleted, which allows remote attackers to access a different user account or cause a denial of service (daemon crash) via a login as a deleted user.
Vulnerability category: Denial of service
Products affected by CVE-2012-1576
- cpe:2.3:a:atheme:atheme:6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:6.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:7.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:7.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:7.0.0:alpha1:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:atheme:atheme:5.2.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-1576
1.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-1576
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.0
|
MEDIUM | AV:N/AC:M/Au:S/C:P/I:P/A:P |
6.8
|
6.4
|
NIST |
CWE ids for CVE-2012-1576
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-1576
-
http://www.openwall.com/lists/oss-security/2012/03/23/2
oss-security - Re: atheme.org Security Advisory ASA-2012-03-01: Improper cleanup of CertFP entries may result in undefined behaviour
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http://www.openwall.com/lists/oss-security/2012/03/22/3
oss-security - atheme.org Security Advisory ASA-2012-03-01: Improper cleanup of CertFP entries may result in undefined behaviour
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http://jira.atheme.org/browse/SRV-166
-
http://archives.neohapsis.com/archives/fulldisclosure/2012-03/0248.html
-
http://www.securityfocus.com/bid/52675
Atheme IRC Services 'mycertfp_delete()' Function Security Bypass Vulnerability
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http://security.gentoo.org/glsa/glsa-201209-09.xml
Atheme IRC Services: Denial of Service (GLSA 201209-09) — Gentoo security
-
http://git.atheme.org/atheme/commit/?id=3d9551761db2
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