Vulnerability Assessment & Network Security Forums
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.
Vulnerability Assessment Details
Detailed Explanation for this Vulnerability Assessment
The upstream developer of curl, a multi-protocol file transfer
library, informed us that the former correction to several off-by-one
errors are not sufficient. For completeness please find the original
bug description below:
Several problems were discovered in libcurl, a multi-protocol file
transfer library. The Common Vulnerabilities and Exposures project
identifies the following problems:
A buffer overflow has been discovered in libcurl
that could permit the execution of arbitrary code.
Stefan Esser discovered several off-by-one errors that permits
local users to trigger a buffer overflow and cause a denial of
service or bypass PHP security restrictions via certain URLs.
For the old stable distribution (woody) these problems have been fixed in
For the stable distribution (sarge) these problems have been fixed in
version 7.13.2-2sarge5. This update also includes a bugfix against
For the unstable distribution (sid) these problems have been fixed in
We recommend that you upgrade your libcurl packages.
Solution : http://www.debian.org/security/2005/dsa-919
Network Security Threat Level: High
Networks Security ID: 15102, 15647, 15756
Vulnerability Assessment Copyright: This script is (C) 2007 Michel Arboi
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