Vulnerability Name:

CVE-2000-1134 (CCN-5593)

Assigned:2000-11-24
Published:2000-11-24
Updated:2017-10-19
Summary: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.
CVSS v3 Severity:9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: FreeBSD Security Advisory FreeBSD-SA-00:76
tcsh/csh creates insecure temporary file

Source: FREEBSD
Type: Patch, Vendor Advisory
FreeBSD-SA-00:76

Source: CCN
Type: Caldera International, Inc. Security Advisory CSSA-2000-042.0
bash creates insecure temp files

Source: CCN
Type: SGI Security Advisory 20011103-01-I
Various shells create temporary files insecurely

Source: SGI
Type: UNKNOWN
20011103-02-P

Source: BUGTRAQ
Type: UNKNOWN
20001028 tcsh: unsafe tempfile in << redirects

Source: CCN
Type: Conectiva Linux Announcement CLSA-2000:350
bash: Insecure temporary file creation in << redirects

Source: CCN
Type: BugTraq Mailing List, Wed Jan 30 2002 - 10:27:26 CST
Compaq Tru64 patches for CERT VU#10277

Source: CCN
Type: FreeBSD Security Advisory FreeBSD-SA-01:03
bash1 creates insecure temporary files

Source: COMPAQ
Type: UNKNOWN
SSRT1-41U

Source: CCN
Type: Bugzilla Bug - 21292
bash creates insecure tmp files

Source: MITRE
Type: CNA
CVE-2000-1134

Source: CONECTIVA
Type: UNKNOWN
CLA-2000:350

Source: CCN
Type: Conectiva Linux Announcement CLSA-2000:354
tcsh

Source: CONECTIVA
Type: UNKNOWN
CLSA-2000:354

Source: CCN
Type: Compaq SECURITY BULLETIN: SSRT1-41U, SSRT0742U, SSRT0759U
Tru64 UNIX Potential Security Vulnerability, Privileged App. Core Files and Temp File/Symbolic Links With Temp Files

Source: BUGTRAQ
Type: UNKNOWN
20001130 [ADV/EXP]: RH6.x root from bash /tmp vuln + MORE

Source: CCN
Type: RHSA-2000-117
Updated bash (1.x) packages for Red Hat Linux 5.x

Source: CCN
Type: RHSA-2000-121
Updated tcsh packages are now available for Red Hat Linux.

Source: CCN
Type: Sun Alert ID: 27694
tcsh(1), csh(1), sh(1) and ksh(1) Create Predictable tmpfiles When Using "here" ('<<') Documents

Source: CCN
Type: Caldera International, Inc. Security Update: tcsh-6.10.00-2 (Ref. #001221-0042)
tcsh-6.10.00-2

Source: CALDERA
Type: UNKNOWN
CSSA-2000-042.0

Source: CALDERA
Type: UNKNOWN
CSSA-2000-043.0

Source: CCN
Type: CIAC Information Bulletin M-022
SGI IRIX shells create temporary files insecurely

Source: DEBIAN
Type: UNKNOWN
20001111a

Source: DEBIAN
Type: Debian Security Advisory 20001111a
tcsh: local exploit

Source: CCN
Type: Immunix OS Security Advisory IMNX-2000-62-043-01
bash1

Source: CCN
Type: US-CERT VU#10277
Various shells create temporary files insecurely when using << operator

Source: CERT-VN
Type: US Government Resource
VU#10277

Source: CCN
Type: Linux-Mandrake Security Update Advisory MDKSA-2000:069
tcsh

Source: MANDRAKE
Type: UNKNOWN
MDKSA-2000-069

Source: MANDRAKE
Type: UNKNOWN
MDKSA-2000:075

Source: CCN
Type: OSVDB ID: 14158
Multiple Unix Shell << Redirect Symlink Arbitrary File Overwrite

Source: REDHAT
Type: UNKNOWN
RHSA-2000:117

Source: REDHAT
Type: UNKNOWN
RHSA-2000:121

Source: BUGTRAQ
Type: UNKNOWN
20001128 /bin/sh creates insecure tmp files

Source: BID
Type: UNKNOWN
1926

Source: CCN
Type: BID-1926
[OBSOLETE 021023 - originally attached to linux-bash-tmp-symlink(5593)] tcsh Here-document /tmp Symbolic Link Vulnerability

Source: BID
Type: Exploit, Patch, Vendor Advisory
2006

Source: CCN
Type: BID-2006
Unix Shell Redirection Race Condition Vulnerability

Source: CCN
Type: Compaq Web site
Software Security Downloads

Source: CCN
Type: MandrakeSoft Security Advisory MDKSA-2000:075
bash1

Source: XF
Type: UNKNOWN
linux-bash-tmp-symlink(5593)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:4047

Vulnerable Configuration:Configuration 1:
  • cpe:/a:immunix:immunix:6.2:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:4.0es:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:5.1:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:caldera:openlinux:*:*:*:*:*:*:*:*
  • OR cpe:/o:caldera:openlinux_edesktop:2.4:*:*:*:*:*:*:*
  • OR cpe:/o:caldera:openlinux_eserver:2.3:*:*:*:*:*:*:*
  • OR cpe:/o:hp:hp-ux:11.11:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:6.1:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:7.1:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:7.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:5.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:6.1:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:6.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:6.2e:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:7.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:sun:sunos:5.5.1:*:*:*:*:*:*:*
  • OR cpe:/o:sun:sunos:5.6:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:3.0:*:*:*:*:*:*:*
  • OR cpe:/o:hp:hp-ux:11.00:*:*:*:*:*:*:*
  • OR cpe:/o:hp:hp-ux:10.20:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:3.2:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:3.3:-:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:sun:sunos:5.8:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:6.2:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:3.4:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:3.5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:7:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:*
  • OR cpe:/o:hp:hp-ux:11.11:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:3.5.1:*:*:*:*:*:*:*
  • OR cpe:/o:sun:sunos:4.1.1:*:*:*:*:*:*:*
  • OR cpe:/o:sun:sunos:5.7:*:*:*:*:*:*:*
  • AND
  • cpe:/o:sgi:irix:6.5:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.1:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.2:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.3:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.4:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.7:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.5:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.6:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.8:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.9:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.10:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.11:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.12:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.13:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.14:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.15:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.16:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.19:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.20:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.21:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.24:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.22:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.23:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.25:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.22m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.21m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.21f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.26:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.27:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.10f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.10m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.11f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.11m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.12f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.12m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.13f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.13m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.14f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.14m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.15f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.15m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.16f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.16m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.17:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.17f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.17m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.18:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.18f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.18m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.19f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.19m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.20f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.20m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.2f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.2m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.3f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.3m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.4f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.4m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.5f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.5m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.6f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.6m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.7f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.7m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.8f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.8m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.9f:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5.9m:*:*:*:*:*:*:*
  • OR cpe:/o:sgi:irix:6.5_20:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:4047
    V
    Shell Redirect Symlink Attack Vulnerability
    2006-09-27
    BACK
    immunix immunix 6.2
    conectiva linux 4.0
    conectiva linux 4.0es
    conectiva linux 4.1
    conectiva linux 4.2
    conectiva linux 5.0
    conectiva linux 5.1
    caldera openlinux *
    caldera openlinux edesktop 2.4
    caldera openlinux eserver 2.3
    hp hp-ux 11.11
    mandrakesoft mandrake linux 6.0
    mandrakesoft mandrake linux 6.1
    mandrakesoft mandrake linux 7.0
    mandrakesoft mandrake linux 7.1
    mandrakesoft mandrake linux 7.2
    redhat linux 5.2
    redhat linux 6.0
    redhat linux 6.1
    redhat linux 6.2
    redhat linux 6.2e
    suse suse linux 7.0
    sun solaris 2.5.1
    sun solaris 2.6
    freebsd freebsd 3.0
    hp hp-ux 11.00
    hp hp-ux 10.20
    redhat linux 6.0
    freebsd freebsd 3.1
    freebsd freebsd 3.2
    freebsd freebsd 3.3 -
    redhat linux 5.0
    sun solaris 8
    redhat linux 6.2
    freebsd freebsd 3.4
    freebsd freebsd 4.0
    freebsd freebsd 3.5
    redhat linux 7
    freebsd freebsd 4.1.1
    hp hp-ux 11.11
    freebsd freebsd 4.1
    freebsd freebsd 3.5.1
    sun solaris 1.0
    sun solaris 7.0
    sgi irix 6.5
    sgi irix 6.5.1
    sgi irix 6.5.2
    sgi irix 6.5.3
    sgi irix 6.5.4
    sgi irix 6.5.7
    sgi irix 6.5.5
    sgi irix 6.5.6
    sgi irix 6.5.8
    sgi irix 6.5.9
    sgi irix 6.5.10
    sgi irix 6.5.11
    sgi irix 6.5.12
    sgi irix 6.5.13
    sgi irix 6.5.14
    sgi irix 6.5.15
    sgi irix 6.5.16
    sgi irix 6.5.19
    sgi irix 6.5.20
    sgi irix 6.5.21
    sgi irix 6.5.24
    sgi irix 6.5.22
    sgi irix 6.5.23
    sgi irix 6.5.25
    sgi irix 6.5.22m
    sgi irix 6.5.21m
    sgi irix 6.5.21f
    sgi irix 6.5.26
    sgi irix 6.5.27
    sgi irix 6.5.10f
    sgi irix 6.5.10m
    sgi irix 6.5.11f
    sgi irix 6.5.11m
    sgi irix 6.5.12f
    sgi irix 6.5.12m
    sgi irix 6.5.13f
    sgi irix 6.5.13m
    sgi irix 6.5.14f
    sgi irix 6.5.14m
    sgi irix 6.5.15f
    sgi irix 6.5.15m
    sgi irix 6.5.16f
    sgi irix 6.5.16m
    sgi irix 6.5.17
    sgi irix 6.5.17f
    sgi irix 6.5.17m
    sgi irix 6.5.18
    sgi irix 6.5.18f
    sgi irix 6.5.18m
    sgi irix 6.5.19f
    sgi irix 6.5.19m
    sgi irix 6.5.20f
    sgi irix 6.5.20m
    sgi irix 6.5.2f
    sgi irix 6.5.2m
    sgi irix 6.5.3f
    sgi irix 6.5.3m
    sgi irix 6.5.4f
    sgi irix 6.5.4m
    sgi irix 6.5.5f
    sgi irix 6.5.5m
    sgi irix 6.5.6f
    sgi irix 6.5.6m
    sgi irix 6.5.7f
    sgi irix 6.5.7m
    sgi irix 6.5.8f
    sgi irix 6.5.8m
    sgi irix 6.5.9f
    sgi irix 6.5.9m
    sgi irix 6.5_20