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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 >> Mandrake Local Security Checks >> MDKSA-2006:167: gzip Vulnerability Assessment Details
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MDKSA-2006:167: gzip |
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Check for the version of the gzip package Detailed Explanation for this Vulnerability Assessment The remote host is missing the patch for the advisory MDKSA-2006:167 (gzip). NULL Dereference (CVE-2006-4334) A stack modification vulnerability (where a stack buffer can be modified out of bounds, but not in the traditional stack overrun sense) exists in the LZH decompression support of gzip. (CVE-2006-4335) A .bss buffer underflow exists in gzip's pack support, where a loop from build_tree() does not enforce any lower bound while constructing the prefix table. (CVE-2006-4336) A .bss buffer overflow vulnerability exists in gzip's LZH support, due to it's inability to handle exceptional input in the make_table() function, a pathological decoding table can be constructed in such a way as to generate counts so high that the rapid growth of `nextcode` exceeds the size of the table[] buffer. (CVE-2006-4337) A possible infinite loop exists in code from unlzh.c for traversing the branches of a tree structure. This makes it possible to disrupt the operation of automated systems relying on gzip for data decompression, resulting in a minor DoS. (CVE-2006-4338) Updated packages have been patched to address these issues. Solution : http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:167 Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security |
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