Vulnerability CVE-2011-1144
Published: 2011-03-02   Modified: 2012-02-13

Description:
The installer in PEAR 1.9.2 and earlier 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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1072.

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://xforce.iss.net/xforce/xfdb/65911
http://pear.php.net/bugs/bug.php?id=18056
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
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