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Vulnerability Summary for CVE-2011-1072

Original release date:03/03/2011
Last revised:01/19/2012
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: CONFIRM
Name: http://svn.php.net/viewvc?view=revision&revision=308687
Type: Patch Information
Hyperlink:http://svn.php.net/viewvc?view=revision&revision=308687
External Source: CONFIRM
Name: http://news.php.net/php.pear.cvs/61264
Type: Patch Information
Hyperlink:http://news.php.net/php.pear.cvs/61264
External Source: XF
Name: pear-pear-installer-symlink(65721)
Hyperlink:http://xforce.iss.net/xforce/xfdb/65721
External Source: BID
Name: 46605
Hyperlink:http://www.securityfocus.com/bid/46605
External Source: REDHAT
Name: RHSA-2011:1741
Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-1741.html
External Source: MANDRIVA
Name: MDVSA-2011:187
Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2011:187
External Source: CONFIRM
Name: http://security-tracker.debian.org/tracker/CVE-2011-1072
Hyperlink:http://security-tracker.debian.org/tracker/CVE-2011-1072
External Source: SECUNIA
Name: 43533
Type: Advisory
Hyperlink:http://secunia.com/advisories/43533
External Source: CONFIRM
Name: http://pear.php.net/bugs/bug.php?id=18056
Hyperlink:http://pear.php.net/bugs/bug.php?id=18056
External Source: CONFIRM
Name: http://pear.php.net/advisory-20110228.txt
Type: Advisory
Hyperlink:http://pear.php.net/advisory-20110228.txt
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/03/01/9
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/03/01/8
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/03/01/7
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/03/01/5
External Source: MLIST
Name: [oss-security] 20110301 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/03/01/4
External Source: MLIST
Name: [oss-security] 20110228 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/02/28/5
External Source: MLIST
Name: [oss-security] 20110228 CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/02/28/3
External Source: MLIST
Name: [oss-security] 20110228 Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
Hyperlink:http://openwall.com/lists/oss-security/2011/02/28/12
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=546164
Hyperlink:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=546164

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:php:pear:0.2.2
spacerspacerNav control image* cpe:/a:php:pear:0.9
spacerspacerNav control image* cpe:/a:php:pear:0.90
spacerspacerNav control image* cpe:/a:php:pear:0.10
spacerspacerNav control image* cpe:/a:php:pear:0.11
spacerspacerNav control image* cpe:/a:php:pear:1.0b1
spacerspacerNav control image* cpe:/a:php:pear:1.0b2
spacerspacerNav control image* cpe:/a:php:pear:1.0
spacerspacerNav control image* cpe:/a:php:pear:1.0.1
spacerspacerNav control image* cpe:/a:php:pear:1.2
spacerspacerNav control image* cpe:/a:php:pear:1.2.1
spacerspacerNav control image* cpe:/a:php:pear:1.0b3
spacerspacerNav control image* cpe:/a:php:pear:1.1
spacerspacerNav control image* cpe:/a:php:pear:1.2b3
spacerspacerNav control image* cpe:/a:php:pear:1.2b4
spacerspacerNav control image* cpe:/a:php:pear:1.2b1
spacerspacerNav control image* cpe:/a:php:pear:1.2b2
spacerspacerNav control image* cpe:/a:php:pear:1.3.3
spacerspacerNav control image* cpe:/a:php:pear:1.3.1
spacerspacerNav control image* cpe:/a:php:pear:1.3
spacerspacerNav control image* cpe:/a:php:pear:1.2b5
spacerspacerNav control image* cpe:/a:php:pear:1.3.6
spacerspacerNav control image* cpe:/a:php:pear:1.3.5
spacerspacerNav control image* cpe:/a:php:pear:1.3.4
spacerspacerNav control image* cpe:/a:php:pear:1.3.3.1
spacerspacerNav control image* cpe:/a:php:pear:1.3b5
spacerspacerNav control image* cpe:/a:php:pear:1.3b3
spacerspacerNav control image* cpe:/a:php:pear:1.3b2
spacerspacerNav control image* cpe:/a:php:pear:1.3b1
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a10
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a1
spacerspacerNav control image* cpe:/a:php:pear:1.4.0
spacerspacerNav control image* cpe:/a:php:pear:1.3b6
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a4
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a5
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a6
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a7
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a11
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a12
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a2
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a3
spacerspacerNav control image* cpe:/a:php:pear:1.4.0:rc1
spacerspacerNav control image* cpe:/a:php:pear:1.4.0:rc2
spacerspacerNav control image* cpe:/a:php:pear:1.4.1
spacerspacerNav control image* cpe:/a:php:pear:1.4.2
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a8
spacerspacerNav control image* cpe:/a:php:pear:1.4.0a9
spacerspacerNav control image* cpe:/a:php:pear:1.6.1
spacerspacerNav control image* cpe:/a:php:pear:1.5.1
spacerspacerNav control image* cpe:/a:php:pear:1.5.0
spacerspacerNav control image* cpe:/a:php:pear:1.9.1 and previous versions
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1072