CVE-2000-1134

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2001-01-09 · updated 2026-06-16

Description

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.

Affected products

Caldera Openlinux: all versions
Caldera Openlinux Edesktop: 2.4
Caldera Openlinux Eserver: 2.3
Conectiva Linux: 4.0, 4.0es, 4.1, 4.2, 5.0, 5.1
Hewlett Packard Enterprise (HPE) HP-UX: 11.11
Immunix: 6.2
Mandrakesoft Mandrake Linux: 6.0, 6.1, 7.0, 7.1, 7.2
RedHat Linux: 5.2, 6.0, 6.1, 6.2, 6.2e
Suse Linux: 7.0

References

http://archives.neohapsis.com/archives/bugtraq/2000-10/0418.html
http://archives.neohapsis.com/archives/tru64/2002-q1/0009.html
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000350
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000354
http://marc.info/?l=bugtraq&m=97561816504170&w=2
http://www.calderasystems.com/support/security/advisories/CSSA-2000-042.0.txt
http://www.calderasystems.com/support/security/advisories/CSSA-2000-043.0.txt
http://www.debian.org/security/2000/20001111a
http://www.kb.cert.org/vuls/id/10277
http://www.linux-mandrake.com/en/security/MDKSA-2000-069.php3

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