Heimdal rshd forwarded credentials privilege elevation
| heimdal-rshd-privilege-elevation (24532) |  Medium Risk |
Description:
Heimdal could allow a local attacker to gain elevated privileges, caused by a vulnerability in the rshd server when storing forwarded credentials. A local attacker could exploit this vulnerability to overwrite files and gain elevated privileges on the system.
Platforms Affected:
- Canonical, Ubuntu 4.10
- Canonical, Ubuntu 5.04
- Canonical, Ubuntu 5.10
- Debian, Debian Linux 3.1
- Gentoo, Linux
- Heimdal Developers, Heimdal prior to 0.6.6
- Heimdal Developers, Heimdal prior to 0.7.2
- Novell, UnitedLinux 1.0
- SuSE, Linux Enterprise Server 8
- SuSE, SuSE Linux 9.1
- SuSE, SuSE Linux 9.2
- SuSE, SuSE Linux Desktop 1.0
- SuSE, SuSE SLES 9
Remedy:
Upgrade to the latest version of Heimdal (0.7.2 or later) or (0.6.6 or later), available from the Heimdal Web page. See References.
For Ubuntu Linux:
Refer to USN-247-1 and USN-253-1 for patch or upgrade information. See References.
For Debian GNU/Linux:
Refer to DSA-977-1 for patch or upgrade information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-03-14 for patch, upgrade, or suggested workaround information. See References.
For SUSE Linux:
Refer to SUSE Security Announcement SUSE-SA:2006:011 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for patch or upgrade information.
Consequences:
Gain Privileges
References:
- Heimdal Advisory 2006-02-06, rshd privilege escalation vulnerability at http://www.pdc.kth.se/heimdal/advisory/2006-02-06/.
- BID-16524: Heimdal RSHD Local Privilege Escalation Vulnerability
- CVE-2006-0582: Unspecified vulnerability in rshd in Heimdal 0.6.x before 0.6.6 and 0.7.x before 0.7.2, when storing forwarded credentials, allows attackers to overwrite arbitrary files and change file ownership via unknown vectors.
- DSA-977: heimdal -- several vulnerabilities
- GLSA-200603-14: Heimdal: rshd privilege escalation
- SA18733: Heimdal rshd Privilege Escalation and Telnet Denial of Service
- SECTRACK ID: 1015591: Heimdal RSHD Credential Cache Bug Lets Local Users Gain Elevated Privileges
- SUSE-SA:2006:011: heimdal remote denial of service
- USN-247-1: heimdal vulnerability
- VUPEN/ADV-2006-0456: Heimdal rshd and Telnet Privilege Escalation and Denial of Service Issues
Reported:
Feb 06, 2006
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