CVE-2015-8631

high-risk

Published 2016-02-13

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.

Do I need to act?

2.2% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

NETWORK / LOW complexity

Affected Products (20)

Opensuse

Debian Linux

Enterprise Linux Desktop

Enterprise Linux Eus

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Server Tus

Enterprise Linux Workstation

Linux

Kerberos 5

Leap

Enterprise Linux Desktop

Enterprise Linux Eus

Affected Vendors

Opensuse Mit Oracle Debian Redhat

References (18)

Vendor Advisory http://krbdev.mit.edu/rt/Ticket/Display.html?id=8343

Mailing List http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.html

Mailing List http://lists.opensuse.org/opensuse-updates/2016-02/msg00110.html

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-0493.html

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-0532.html

Third Party Advisory http://www.debian.org/security/2016/dsa-3466

Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h...

Third Party Advisory http://www.securitytracker.com/id/1034916

Patch https://github.com/krb5/krb5/commit/83ed75feba32e46f736fcce0d96a0445f29b96c2