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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA039] DSA-039-1 glibc Vulnerability Assessment Details
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[DSA039] DSA-039-1 glibc |
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DSA-039-1 glibc Detailed Explanation for this Vulnerability Assessment The version of GNU libc that was distributed with Debian GNU/Linux 2.2 suffered from 2 security problems: It was possible to use LD_PRELOAD to load libraries that are listed in /etc/ld.so.cache, even for suid programs. This could be used to create (and overwrite) files which a user should not be permited to. By using LD_PROFILE suid programs would write data to a file to /var/tmp, which was not done safely. Again, this could be used to create (and overwrite) files which a user should not have access to. Both problems have been fixed in version 2.1.3-17 and we recommend that you upgrade your glibc packages immediately. Please note that a side-effect of this upgrade is that ldd will no longer work on suid programs, unless you logged in as root. Solution : http://www.debian.org/security/2001/dsa-039 Network Security Threat Level: High Networks Security ID: 2223 Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi |
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