CVE-2000-0824

Current Description

The unsetenv function in glibc 2.1.1 does not properly unset an environmental variable if the variable is provided twice to a program, which could allow local users to execute arbitrary commands in setuid programs by specifying their own duplicate environmental variables such as LD_PRELOAD or LD_LIBRARY_PATH.

Basic Data

PublishedNovember 14, 2000
Last ModifiedOctober 10, 2017
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeNVD-CWE-Other
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactCOMPLETE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score7.2
SeverityHIGH
Exploitability Score3.9
Impact Score10.0
Obtain All Privilegetrue
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationGnuGlibc2.1.1*******

Vulnerable Software List

VendorProductVersions
Gnu Glibc 2.1.1

References

NameSourceURLTags
20000902 Conectiva Linux Security Announcement - glibchttp://archives.neohapsis.com/archives/bugtraq/2000-08/0436.htmlBUGTRAQ
20000905 Conectiva Linux Security Announcement - glibchttp://archives.neohapsis.com/archives/bugtraq/2000-08/0509.htmlBUGTRAQ
20000906 [slackware-security]: glibc 2.1.3 vulnerabilities patchedhttp://archives.neohapsis.com/archives/bugtraq/2000-08/0525.htmlBUGTRAQ
19990917 A few bugs...http://marc.info/?l=bugtraq&m=93760201002154&w=2BUGTRAQ
CSSA-2000-028.0http://www.calderasystems.com/support/security/advisories/CSSA-2000-028.0.txtCALDERA
20000902 glibc: local root exploithttp://www.debian.org/security/2000/20000902DEBIAN
MDKSA-2000:040http://www.linux-mandrake.com/en/updates/MDKSA-2000-040.php3MANDRAKE
MDKSA-2000:045http://www.linux-mandrake.com/en/updates/MDKSA-2000-045.php3MANDRAKE
20000924 glibc locale security problemhttp://www.novell.com/linux/security/advisories/adv5_draht_glibc_txt.htmlSUSE
RHSA-2000:057http://www.redhat.com/support/errata/RHSA-2000-057.htmlREDHAT
20000831 glibc unsetenv bughttp://www.securityfocus.com/archive/1/79537BUGTRAQPatch Vendor Advisory
1639http://www.securityfocus.com/bid/1639BID
648http://www.securityfocus.com/bid/648BIDExploit Patch Vendor Advisory
TLSA2000020-1http://www.turbolinux.com/pipermail/tl-security-announce/2000-September/000020.htmlTURBO
glibc-ld-unsetenv(5173)https://exchange.xforce.ibmcloud.com/vulnerabilities/5173XF