CVE-2011-1072

Exp

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.

Published: 2011-03-03 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-1072 is rated Exploit Available (50/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.49%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-1072

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-1072

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.08% 0.49% +0.41%
2 2025-03-17 0.04% 0.08% +0.04%
3 2023-03-07 0.04%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1072

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.3 2.0 LOW
AV:L/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
3.4 4.9 [email protected]

Weakness enumeration for CVE-2011-1072

OS Trackers for CVE-2011-1072

vendor priority summary link
gentoo high CVE-2011-1072: 1 GLSA(s) (201412-09), 25 atom(s) (app-admin/syslog-ng, app-misc/ca-certificates, …); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-1072
redhat low https://access.redhat.com/security/cve/CVE-2011-1072
ubuntu low CVE-2011-1072 low priority: Ubuntu including 1 source packages (php5), 7 status rows across 7 suites (dapper, hardy, karmic, lucid, maverick, natty, upstream): released 6, not-affected 1. https://ubuntu.com/security/CVE-2011-1072

Affected software / configurations for CVE-2011-1072

Vendor Product Version Raw CPE
php pear <= 1.9.1 cpe:2.3:a:php:pear:*:*:*:*:*:*:*:*
php pear 0.2.2 cpe:2.3:a:php:pear:0.2.2:*:*:*:*:*:*:*
php pear 0.9 cpe:2.3:a:php:pear:0.9:*:*:*:*:*:*:*
php pear 0.10 cpe:2.3:a:php:pear:0.10:*:*:*:*:*:*:*
php pear 0.11 cpe:2.3:a:php:pear:0.11:*:*:*:*:*:*:*
php pear 0.90 cpe:2.3:a:php:pear:0.90:*:*:*:*:*:*:*
php pear 1.0 cpe:2.3:a:php:pear:1.0:*:*:*:*:*:*:*
php pear 1.0.1 cpe:2.3:a:php:pear:1.0.1:*:*:*:*:*:*:*
php pear 1.1 cpe:2.3:a:php:pear:1.1:*:*:*:*:*:*:*
php pear 1.2 cpe:2.3:a:php:pear:1.2:*:*:*:*:*:*:*
php pear 1.2.1 cpe:2.3:a:php:pear:1.2.1:*:*:*:*:*:*:*
php pear 1.3 cpe:2.3:a:php:pear:1.3:*:*:*:*:*:*:*
php pear 1.3.1 cpe:2.3:a:php:pear:1.3.1:*:*:*:*:*:*:*
php pear 1.3.3 cpe:2.3:a:php:pear:1.3.3:*:*:*:*:*:*:*
php pear 1.3.3.1 cpe:2.3:a:php:pear:1.3.3.1:*:*:*:*:*:*:*
php pear 1.3.4 cpe:2.3:a:php:pear:1.3.4:*:*:*:*:*:*:*
php pear 1.3.5 cpe:2.3:a:php:pear:1.3.5:*:*:*:*:*:*:*
php pear 1.3.6 cpe:2.3:a:php:pear:1.3.6:*:*:*:*:*:*:*
php pear 1.4.0 cpe:2.3:a:php:pear:1.4.0:*:*:*:*:*:*:*
php pear 1.4.0 cpe:2.3:a:php:pear:1.4.0:rc1:*:*:*:*:*:*
php pear 1.4.0 cpe:2.3:a:php:pear:1.4.0:rc2:*:*:*:*:*:*
php pear 1.4.1 cpe:2.3:a:php:pear:1.4.1:*:*:*:*:*:*:*
php pear 1.4.2 cpe:2.3:a:php:pear:1.4.2:*:*:*:*:*:*:*
php pear 1.5.0 cpe:2.3:a:php:pear:1.5.0:*:*:*:*:*:*:*
php pear 1.5.1 cpe:2.3:a:php:pear:1.5.1:*:*:*:*:*:*:*
php pear 1.6.1 cpe:2.3:a:php:pear:1.6.1:*:*:*:*:*:*:*

References for CVE-2011-1072

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