Multiple Vendor Linux NIS Vulnerabilities

BID:753

Info

Multiple Vendor Linux NIS Vulnerabilities

Bugtraq ID: 753
Class: Unknown
CVE:
Remote: Yes
Local: Yes
Published: Nov 01 1999 12:00AM
Updated: Nov 01 1999 12:00AM
Credit: Debian, RedHat and SuSE all released advisories about this issue within 24 hours of each other, however no credit was given in any of them.
Vulnerable: SuSE Linux 6.0
Redhat Linux 6.0
Redhat Linux 5.0
Redhat Linux 4.0
Linux kernel 2.3
Linux kernel 2.2
Linux kernel 2.1
Linux kernel 2.0
Debian Linux 2.2
Debian Linux 2.1
Debian Linux 2.0
Not Vulnerable:

Discussion

Multiple Vendor Linux NIS Vulnerabilities

ypserv releases previous to 1.3.9 contain two different vulnerabilties: Any NIS domain administrator can inject password tables, and users can modify the GECOS field and login shell values for other users. Also, rpc.yppasswd prior 1.3.6.92 has a standard buffer overflow problem in the md5 hash generation code.

Exploit / POC

Multiple Vendor Linux NIS Vulnerabilities

See discussion.

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