21345 : Perl Explicit Format Parameter Index Overflow
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Info

Last Modified

29 days ago

Percent Complete

100%

Disclosure

Dec 01, 2005

Discovery

Sep 23, 2005

Dates

Exploit

Unknown

Solution

Unknown

Description

Perl contains a flaw that when handling a format string containing an explicit format parameter index that exceeds INT_MAX which can result in an illegal memory access. With a specially crafted request, an attacker can cause the crash of a Perl application resulting in a loss of availability.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Rumored / Private
Disclosure: OSVDB Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Dyad Security has released an unofficial patch to address this vulnerability.

Products

Perl	Perl	5.9.2
		5.8.7
		5.8.6

References

RedHat RHSA: RHSA-2005:880 RHSA-2005:881
Other Advisory URL: http://www.debian.org/security/2006/dsa-943
http://www.dyadsecurity.com/perl-0002.html
http://www.ipcop.org/index.php?name=News&file=article&sid=41
http://www.novell.com/linux/security/advisories/2005_71_perl.html
http://www.openbsd.org/errata37.html#perl
http://www.trustix.org/errata/2005/0070/
Vendor Specific Advisory URL: ftp://patches.sgi.com/support/free/security/advisories/20060101-01-U.asc http://docs.info.apple.com/article.html?artnum=304829
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00686865
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102192-1
http://www.gentoo.org/security/en/glsa/glsa-200512-01.xml
http://www.ubuntulinux.org/usn/usn-222-1/
Secunia Advisory ID: 17762 17802 17844 17941 17952 17993 18075 18183 18187 18295 18413 18517 19041 20894 23155 31208
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2005-11/1066.html
CVE ID: 2005-3962 (see also: NVD)
News Article: http://news.com.com/Apple+Mac+OS+X+patch+plugs+31+vulnerabilities/2100-1002_3-613 ......
Vendor URL: http://www.perl.org/
Keyword: HPSBTU02125,SSRT061105

Tools & Filters

Nessus	20257 20258 20280 20309 20310 20366 20367 20456 20764 20765 22809

Manual Testing Notes

Credit

Jack Louis - Dyad Security

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