CVE-2000-1134 EXPLOIT
7.2
HIGH · CVSS 2.0 · EPSS 1.4% (pctl 72)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.2 (HIGH, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 1.42% — more likely to be exploited than 72% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2001-01-09 |
| Last modified | 2026-06-16 |
Affected (9)
| Vendor | Product |
|---|---|
| caldera | openlinux |
| caldera | openlinux edesktop |
| caldera | openlinux eserver |
| conectiva | linux |
| hp | hp-ux |
| immunix | immunix |
| mandrakesoft | mandrake linux |
| redhat | linux |
| suse | suse linux |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | UUCP - File Creation/Overwriting Symlinks | 2000-12-04 |
| exploit-db | Apple Mac OSX 10 / HP-UX 9/10/11 / Mandriva 6/7 / RedHat 5/6 / SCO 5 / IRIX 6 - Shell Redirection Race Condition | 2000-01-02 |
References
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:76.tcsh-csh.asc
- ftp://patches.sgi.com/support/free/security/advisories/20011103-02-P
- 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
- http://www.linux-mandrake.com/en/security/MDKSA-2000-075.php3
- http://www.redhat.com/support/errata/RHSA-2000-117.html
- http://www.redhat.com/support/errata/RHSA-2000-121.html
- http://www.securityfocus.com/archive/1/146657
- http://www.securityfocus.com/bid/1926
- http://www.securityfocus.com/bid/2006
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4047
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:76.tcsh-csh.asc
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