SB2015033004 - Data Handling in Fedoraproject Fedora
Published: March 30, 2015 Updated: August 9, 2020
Security Bulletin ID
SB2015033004
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Data Handling (CVE-ID: CVE-2015-1827)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (crash) via a group list request for a user that belongs to a large number of groups.
Remediation
Install update from vendor's website.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154314.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/154103.html
- http://rhn.redhat.com/errata/RHSA-2015-0728.html
- http://www.securityfocus.com/bid/73376
- https://bugzilla.redhat.com/show_bug.cgi?id=1205200
- https://fedorahosted.org/freeipa/ticket/4908