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Family: Gentoo Local Security Checks --> Category: infos
[GLSA-200407-03] Apache 2: Remote denial of service attack Vulnerability Scan
Vulnerability Scan Summary
Apache 2: Remote denial of service attack
Detailed Explanation for this Vulnerability Test
The remote host is affected by the vulnerability described in GLSA-200407-03
(Apache 2: Remote denial of service attack)
A bug in the protocol.c file handling header lines will cause Apache to
allocate memory for header lines starting with TAB or SPACE.
Impact
A possible hacker can exploit this vulnerability to perform a Denial of Service
attack by causing Apache to exhaust all memory. On 64 bit systems with more
than 4GB of virtual memory a possible integer signedness error could lead
to a buffer based overflow causing Apache to crash and under some
circumstances execute arbitrary code as the user running Apache, usually
"apache".
Workaround
There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version:
References:
http://www.guninski.com/httpd1.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0493
Solution:
Apache 2 users should upgrade to the latest version of Apache:
# emerge sync
# emerge -pv ">=net-www/apache-2.0.49-r4"
# emerge ">=net-www/apache-2.0.49-r4"
Threat Level: Medium
Click HERE for more information and discussions on this network vulnerability scan.
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