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Last updated: 9/17/2014 3:38:38 PM

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Vulnerability Summary for CVE-2011-1072

Original release date: 03/02/2011
Last revised: 01/18/2012
Source: US-CERT/NIST

Overview

The installer in PEAR before 1.9.2 allows local users to overwrite arbitrary files via a symlink attack on the package.xml file, related to the (1) download_dir, (2) cache_dir, (3) tmp_dir, and (4) pear-build-download directories, a different vulnerability than CVE-2007-2519.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 3.3 (LOW) (AV:L/AC:M/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MLIST
Name: [oss-security] 20110228 CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
External Source: CONFIRM
Name: http://pear.php.net/advisory-20110228.txt
Type: Advisory
External Source: XF
Name: pear-pear-installer-symlink(65721)
External Source: CONFIRM
Name: http://pear.php.net/bugs/bug.php?id=18056
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
External Source: MLIST
Name: [oss-security] 20110228 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
External Source: BID
Name: 46605
External Source: MLIST
Name: [oss-security] 20110228 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
External Source: MANDRIVA
Name: MDVSA-2011:187
External Source: SECUNIA
Name: 43533
Type: Advisory
External Source: CONFIRM
Name: http://security-tracker.debian.org/tracker/CVE-2011-1072
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=546164
External Source: CONFIRM
Name: http://news.php.net/php.pear.cvs/61264
Type: Patch Information
External Source: CONFIRM
Name: http://svn.php.net/viewvc?view=revision&revision=308687
Type: Patch Information
External Source: REDHAT
Name: RHSA-2011:1741
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack

Technical Details

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