high
7.2
CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2000-1134

First published: Tue Jan 09 2001(Updated: )

Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when processing << redirects (aka here-documents or in-here documents), which allows local users to overwrite files of other users via a symlink attack.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Conectiva Linux=4.2
Conectiva Linux=4.1
Conectiva Linux=5.1
Immunix=6.2
Conectiva Linux=4.0es
Conectiva Linux=5.0
Conectiva Linux=4.0
Mandrake Linux=7.2
HPE HP-UX=11.11
Mandrake Linux=7.0
Red Hat Linux=6.1
Red Hat Linux=6.2
Mandrake Linux=7.1
SCO OpenLinux Server
Red Hat Linux=5.2
Mandrake Linux=6.0
SCO OpenLinux Server=2.3
Red Hat Linux=6.2e
SUSE Linux=7.0
Caldera OpenLinux eDesktop=2.4
Red Hat Linux=6.0
Mandrake Linux=6.1

Remedy

ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:76.tcsh-csh.asc

Remedy

http://www.securityfocus.com/bid/2006

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2000-1134?

    CVE-2000-1134 is classified as a vulnerability that can lead to local privilege escalation due to the symlink attack.

  • How do I fix CVE-2000-1134?

    To fix CVE-2000-1134, it is recommended to update the affected shell programs to their latest secure versions that mitigate symlink processing.

  • Which systems are affected by CVE-2000-1134?

    CVE-2000-1134 affects various Unix systems, including tcsh, csh, sh, and bash across several distributions like Red Hat, Debian, and Mandrake.

  • What is a symlink attack in the context of CVE-2000-1134?

    A symlink attack in CVE-2000-1134 refers to a method where an attacker exploits the symlink processing by shell programs to overwrite other users' files.

  • Can CVE-2000-1134 lead to unauthorized access?

    Yes, CVE-2000-1134 can potentially allow local users to gain unauthorized access to files of other users by exploiting the symlink vulnerability.

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