Home/CVE/Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when
CVE

CVE-2000-1134

Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when

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.

HIGH · CVSS 7.2 EPSS 0.00177
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

9
immunixall versions
conectiva linuxall versions
caldera openlinuxall versions
caldera openlinux edesktopall versions
caldera openlinux eserverall versions
hp hp-uxall versions
mandrakesoft mandrake linuxall versions
redhat linuxall versions
⚠

Public Exploits & PoCs

3
localUUCP - File Creation/Overwriting Symlinksverified
localApple Mac OSX 10 / HP-UX 9/10/11 / Mandriva 6/7 / RedHat 5/6 / SCO 5 / IRIX 6 - Shell Redirection Race Conditionverified
pocwww.securityfocus.com · 2006www.securityfocus.com
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalLinux Reverse Shell Indicator
producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux
producthighPotentially Suspicious Malware Callback Communication - Linux
producthighLinux Crypto Mining Pool Connections
producthighCommunication To Ngrok Tunneling Service - Linux
producthighLinux Crypto Mining Indicators
▣

Scoring & Timeline

7.2
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Published to NVD09 Jan 2001 · 05:00 AM
⚑

Vendor Advisories

1
rhsaRHSA-2000:121
🔗

References & Sources

18
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:76.tcsh-csh.ascPatchVendor Advisory
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
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin