Third-party CVSup Binary Insecure ELF RPATH Library Replacement Vulnerability

BID:9523

Info

Third-party CVSup Binary Insecure ELF RPATH Library Replacement Vulnerability

Bugtraq ID: 9523
Class: Configuration Error
CVE: CVE-2004-2133
Remote: No
Local: Yes
Published: Jan 29 2004 12:00AM
Updated: Jul 12 2009 02:06AM
Credit: Discovery is credited to Matthias Andree.
Vulnerable: S.u.S.E. cvsup-16.1h-43.i586.rpm
+ S.u.S.E. Linux Personal 9.0
S.u.S.E. cvsup-16.1h-36.i586.rpm
+ S.u.S.E. Linux Personal 9.0
S.u.S.E. cvsup-16.1h-2.i386.rpm
+ S.u.S.E. Linux Personal 8.2
Not Vulnerable: S.u.S.E. cvsup-16.1h-90.i586.rpm
+ S.u.S.E. Linux Personal 9.0

Discussion

Third-party CVSup Binary Insecure ELF RPATH Library Replacement Vulnerability

It has been reported that some third-party vendor-supplied CVSup binaries may have an insecure ELF RPATH that includes world-writeable directories in the path. A local attacker could exploit this issue by placing malicious libraries in these directories, which would be dynamically linked against at run-time when the cvsup, cvsupd or cvpasswd programs are executed. This would result in execution of arbitrary code with elevated privileges.

This issue was reported to affect CVSup RPMs that ship with SuSE Linux. Other distributions may also be affected. Statically linked versions of the software should not be affected by this version.

Exploit / POC

Third-party CVSup Binary Insecure ELF RPATH Library Replacement Vulnerability

There is no exploit required.

Solution / Fix

Third-party CVSup Binary Insecure ELF RPATH Library Replacement Vulnerability

Solution:
SuSE has released an updated RPM for CVSup to address this issue.


S.u.S.E. cvsup-16.1h-2.i386.rpm

S.u.S.E. cvsup-16.1h-36.i586.rpm

S.u.S.E. cvsup-16.1h-43.i586.rpm

References

Third-party CVSup Binary Insecure ELF RPATH Library Replacement Vulnerability

References:
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