Description
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.
Affected products
- mandrakesoft / mandrake_linux6.0 – 6.0
- mandrakesoft / mandrake_linux6.1 – 6.1
- mandrakesoft / mandrake_linux7.0 – 7.0
- mandrakesoft / mandrake_linux7.1 – 7.1
- mandrakesoft / mandrake_linux7.2 – 7.2
- mandrakesoft / mandrake_linux_corporate_server1.0.1 – 1.0.1
- RedHat / linux6.0 – 6.0
- RedHat / linux6.0 – 6.0
- RedHat / linux6.0 – 6.0
- RedHat / linux6.1 – 6.1
- RedHat / linux6.1 – 6.1
- RedHat / linux6.1 – 6.1
- RedHat / linux6.2 – 6.2
- RedHat / linux6.2 – 6.2
- RedHat / linux6.2 – 6.2
- trustix / secure_linux1.1 – 1.1
- trustix / secure_linux1.2 – 1.2
- turbolinux / turbolinux6.0.5
- turbolinux / turbolinux6.1 – 6.1
References
- VENDOR_ADVISORYhttp://www.novell.com/linux/security/advisories/2001_001_glibc_txt.html
- VENDOR_ADVISORYhttp://www.debian.org/security/2001/dsa-039
- MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/5971
- MISChttp://www.securityfocus.com/bid/2223
- MISChttp://www.securityfocus.com/archive/1/157650
- MISChttp://www.linux-mandrake.com/en/security/2001/MDKSA-2001-012.php3?dis=7.2
- MISChttp://www.redhat.com/support/errata/RHSA-2001-002.html
- MISChttp://archives.neohapsis.com/archives/linux/turbolinux/2001-q1/0004.html
- VENDOR_ADVISORYhttp://www.calderasystems.com/support/security/advisories/CSSA-2001-007.0.txt