SB2016021303 - Buffer overflow in web.mit.edu krb5
Published: February 13, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016021303
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) Buffer overflow (CVE-ID: CVE-2015-8631)
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
Multiple memory leaks in kadmin/server/server_stubs.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (memory consumption) via a request specifying a NULL principal name.
Remediation
Install update from vendor's website.
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8343
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00110.html
- http://rhn.redhat.com/errata/RHSA-2016-0493.html
- http://rhn.redhat.com/errata/RHSA-2016-0532.html
- http://www.debian.org/security/2016/dsa-3466
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securitytracker.com/id/1034916
- https://github.com/krb5/krb5/commit/83ed75feba32e46f736fcce0d96a0445f29b96c2