Published: 26/03/2001 Updated: 10/10/2017

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

VMScore: 215

Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N

When using the LD_PRELOAD environmental variable in SUID or SGID applications, glibc does not verify that preloaded libraries in /etc/ld.so.cache are also SUID/SGID, which could allow a local user to overwrite arbitrary files by loading a library from /lib or /usr/lib.

Vulnerable Product	Search on Vulmon	Subscribe to Product
mandrakesoft mandrake linux corporate server 1.0.1
redhat linux 6.0
redhat linux 6.2
mandrakesoft mandrake linux 6.1
mandrakesoft mandrake linux 7.0
redhat linux 6.1
turbolinux turbolinux
mandrakesoft mandrake linux 7.1
mandrakesoft mandrake linux 7.2
mandrakesoft mandrake linux 6.0
trustix secure linux 1.1
trustix secure linux 1.2
turbolinux turbolinux 6.1

The version of GNU libc that was distributed with Debian GNU/Linux 22 suffered from 2 security problems: It was possible to use LD_PRELOAD to load libraries that are listed in /etc/ldsocache, even for suid programs This could be used to create (and overwrite) files which a user should not be allowed to By using LD_PROFILE suid programs would ...

#!/bin/tcsh # przyklad wykorzystania dziury w LD_PRELOAD # shadow (tested on redhat 60, should work on others) if ( -e /etc/initscript ) echo uwaga: /etc/initscript istnieje cd /lib umask 0 setenv LD_PRELOAD libSegFaultso setenv SEGFAULT_OUTPUT_NAME /etc/initscript echo czekaj to moze chwile potrwac while (! -e /etc/initscript ) ( userhe ...

NVD-CWE-Other http://www.securityfocus.com/bid/2223 http://www.securityfocus.com/archive/1/157650 http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-012.php3?dis=7.2 http://www.redhat.com/support/errata/RHSA-2001-002.html http://www.novell.com/linux/security/advisories/2001_001_glibc_txt.html http://www.calderasystems.com/support/security/advisories/CSSA-2001-007.0.txt http://www.debian.org/security/2001/dsa-039 http://archives.neohapsis.com/archives/linux/turbolinux/2001-q1/0004.html https://exchange.xforce.ibmcloud.com/vulnerabilities/5971 https://nvd.nist.gov https://www.debian.org/security/./dsa-039 https://www.exploit-db.com/exploits/290/https://www.kb.cert.org/vuls/id/386504

CVE-2001-0169

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