Vulnerability Details : CVE-2011-1072
Potential exploit
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.
Products affected by CVE-2011-1072
- cpe:2.3:a:php:pear:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:0.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:0.90:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.3.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:0.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:0.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.4.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:0.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:pear:1.5.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-1072
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1072
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | AV:L/AC:M/Au:N/C:N/I:P/A:P |
3.4
|
4.9
|
NIST |
CWE ids for CVE-2011-1072
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1072
-
http://news.php.net/php.pear.cvs/61264
php.pear.cvs: svn: /pear/pear-core/tags/PEAR-1.9.2/ PEAR/Builder.php PEAR/Command/Install.php PEAR/Command/Package.php PEAR/Command/Pickle.php PEAR/Command/Remote.php PEAR/Downloader/Package.php PEAR/Patch
-
http://www.redhat.com/support/errata/RHSA-2011-1741.html
Support
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/65721
PEAR PEAR installer symlink CVE-2011-1072 Vulnerability Report
-
http://www.securityfocus.com/bid/46605
PEAR Insecure Temporary File Creation Vulnerability
-
http://openwall.com/lists/oss-security/2011/03/01/5
oss-security - Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://svn.php.net/viewvc?view=revision&revision=308687
PHP: Revision 308687Patch
-
http://pear.php.net/advisory-20110228.txt
Vendor Advisory
-
http://www.mandriva.com/security/advisories?name=MDVSA-2011:187
mandriva.com
-
http://openwall.com/lists/oss-security/2011/02/28/5
oss-security - Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=546164
#546164 - pear download directory is inherited from the build - Debian Bug report logs
-
http://security-tracker.debian.org/tracker/CVE-2011-1072
CVE-2011-1072
-
http://openwall.com/lists/oss-security/2011/03/01/4
oss-security - Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://openwall.com/lists/oss-security/2011/03/01/8
oss-security - Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://openwall.com/lists/oss-security/2011/02/28/3
oss-security - CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://openwall.com/lists/oss-security/2011/03/01/9
oss-security - Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://pear.php.net/bugs/bug.php?id=18056
Bug #18056 :: [SECURITY]: Symlink attack in PEAR installExploit
-
http://openwall.com/lists/oss-security/2011/03/01/7
oss-security - Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://openwall.com/lists/oss-security/2011/02/28/12
oss-security - Re: CVE Request: PEAR Installer 1.9.1 <= - Symlink Attack
-
http://secunia.com/advisories/43533
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