21800 : Perl on Mac OS X $< Compile Time Privilege Escalation Issue
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Dec 13, 2005

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

Mac OS X contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is triggered in Perl when using the '$<' variable to set uid when dropping privileges, which may cause the operation to fail and the application to continue running with root privileges. This flaw may lead to a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified
OSVDB: Concern

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Apple has released a patch to address this vulnerability.

Products

Apple Computer, Inc.

Mac OS X

10.3.9

References

Bugtraq ID: 15833
Secunia Advisory ID: 17922 19064
CVE ID: 2005-4217 (see also: NVD)
ISS X-Force ID: 23561
FrSIRT Advisory: ADV-2005-2869
Vendor Specific Advisory URL: http://docs.info.apple.com/article.html?artnum=303382
News Article: http://www.informationweek.com/news/showArticle.jhtml;?articleID=181500394
Vendor URL: http://www.perl.org/

Credit

Jason Self -

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