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[ GLSA 200608-21 ] Heimdal: Multiple local privilege escalation vulnerabilities
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PostPosted: Wed Aug 23, 2006 8:26 pm    Post subject: [ GLSA 200608-21 ] Heimdal: Multiple local privilege escalat Reply with quote

Gentoo Linux Security Advisory

Title: Heimdal: Multiple local privilege escalation vulnerabilities (GLSA 200608-21)
Severity: high
Exploitable: local
Date: August 23, 2006
Bug(s): #143371
ID: 200608-21

Synopsis

Certain Heimdal components, ftpd and rcp, are vulnerable to a local privilege escalation.

Background

Heimdal is a free implementation of Kerberos 5.

Affected Packages

Package: app-crypt/heimdal
Vulnerable: < 0.7.2-r3
Unaffected: >= 0.7.2-r3
Architectures: All supported architectures


Description

The ftpd and rcp applications provided by Heimdal fail to check the return value of calls to seteuid().

Impact

A local attacker could exploit this vulnerability to execute arbitrary code with elevated privileges.

Workaround

There is no known workaround at this time.

Resolution

All Heimdal users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.7.2-r3"


References

Official advisory
CVE-2006-3083
CVE-2006-3084
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