CVE-2016-2126
Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum. A remote, authenticated, attacker can cause the winbindd process to crash using a legitimate Kerberos ticket. A local service with access to the winbindd privileged pipe can cause winbindd to cache elevated access permissions.
02 / AFFECTED SOFTWARE
Affected packages
8 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum. A remote, authenticated, attacker can cause the winbindd process to crash using a legitimate Kerberos ticket. A local service with access to the winbindd privileged pipe can cause winbindd to cache elevated access permissions.
05 / REFERENCES
Further evidence
- http://rhn.redhat.com/errata/RHSA-2017-0494.html
- http://rhn.redhat.com/errata/RHSA-2017-0495.html
- http://rhn.redhat.com/errata/RHSA-2017-0662.html
- http://rhn.redhat.com/errata/RHSA-2017-0744.html
- http://www.securityfocus.com/bid/94994
- http://www.securitytracker.com/id/1037495
- https://access.redhat.com/errata/RHSA-2017:1265
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730
- https://www.samba.org/samba/security/CVE-2016-2126.html