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Secunia Security Advisory 38319

Secunia Security Advisory 38319
Posted Jan 29, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Adam Zabrocki has reported a vulnerability in Apache, which can be exploited by malicious people to potentially compromise a vulnerable system.

tags | advisory
SHA-256 | cc34a97eba83895a30f22514d4e66b4c6d7385d8bc45e849e4681e53cbb26d4e

Secunia Security Advisory 38319

Change Mirror Download
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Secunia integrated with Microsoft WSUS
http://secunia.com/blog/71/



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TITLE:
Apache mod_proxy "ap_proxy_send_fb()" Integer Truncation
Vulnerability

SECUNIA ADVISORY ID:
SA38319

VERIFY ADVISORY:
http://secunia.com/advisories/38319/

DESCRIPTION:
Adam Zabrocki has reported a vulnerability in Apache, which can be
exploited by malicious people to potentially compromise a vulnerable
system.

The vulnerability is caused due to an integer truncation error within
the "ap_proxy_send_fb()" function in src/modules/proxy/proxy_util.c,
which can be exploited to e.g. cause a heap-based buffer overflow.

Note: This only affects systems where the size of the "long" datatype
is bigger than than the size of the "int" datatype (e.g. on 64-bit
systems).

The vulnerability is reported in version 1.3.41. Other versions may
also be affected.

SOLUTION:
Update to version 1.3.42.
http://httpd.apache.org/dev/dist/apache_1.3.42.tar.gz

PROVIDED AND/OR DISCOVERED BY:
Adam Zabrocki

ORIGINAL ADVISORY:
Apache:
http://httpd.apache.org/dev/dist/CHANGES_1.3.42

Adam Zabrocki:
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0589.html
http://site.pi3.com.pl/adv/mod_proxy.txt
http://blog.pi3.com.pl/?p=69

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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