Vulnerability CVE-2011-1072
Published: 2011-03-02   Modified: 2012-02-13

Description:
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.

Type:

CWE-59

 (Improper Link Resolution Before File Access ('Link Following'))

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
4.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
PHP -> PEAR 

 References:
http://svn.php.net/viewvc?view=revision&revision=308687
http://news.php.net/php.pear.cvs/61264
http://xforce.iss.net/xforce/xfdb/65721
http://www.securityfocus.com/bid/46605
http://www.redhat.com/support/errata/RHSA-2011-1741.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:187
http://security-tracker.debian.org/tracker/CVE-2011-1072
http://secunia.com/advisories/43533
http://pear.php.net/bugs/bug.php?id=18056
http://pear.php.net/advisory-20110228.txt
http://openwall.com/lists/oss-security/2011/03/01/9
http://openwall.com/lists/oss-security/2011/03/01/8
http://openwall.com/lists/oss-security/2011/03/01/7
http://openwall.com/lists/oss-security/2011/03/01/5
http://openwall.com/lists/oss-security/2011/03/01/4
http://openwall.com/lists/oss-security/2011/02/28/5
http://openwall.com/lists/oss-security/2011/02/28/3
http://openwall.com/lists/oss-security/2011/02/28/12
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=546164
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