National Cyber-Alert System
Vulnerability Summary for CVE-2012-1576
Original release date:10/01/2012
Last revised:10/02/2012
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: BID
Name: 52675
External Source: MLIST
Name: [oss-security] 20120322 Re: atheme.org Security Advisory ASA-2012-03-01: Improper cleanup of CertFP entries may result in undefined behaviour
External Source: MLIST
Name: [oss-security] 20120321 atheme.org Security Advisory ASA-2012-03-01: Improper cleanup of CertFP entries may result in undefined behaviour
External Source: SECUNIA
Name: 48481
Type: Advisory
External Source: CONFIRM
Name: http://jira.atheme.org/browse/SRV-166
External Source: CONFIRM
Name: http://git.atheme.org/atheme/commit/?id=3d9551761db2
External Source: FULLDISC
Name: 20120321 atheme.org Security Advisory ASA-2012-03-01: Improper cleanup of CertFP entries may result in undefined behaviour
Technical Details
- Permissions, Privileges, and Access Control (CWE-264)