Vulnerability record · CVE-2011-1144 · published 3 March 2011

CVE-2011-1144: Php pear link following vulnerability

Php · Pear

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.

3.3 CVSS 2.0 Low EPSS 0.31% · top 78.5% CWE-59 · Link following

3.3CVSS 2.0 base score

0.31%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

16References

16 Jun 2026Last modified by NVD

Description

AV:L/AC:M/Au:N/C:N/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Pear Php

References

Link	Tags
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/bugs/bug.php?id=18056
https://exchange.xforce.ibmcloud.com/vulnerabilities/65911
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/bugs/bug.php?id=18056
https://exchange.xforce.ibmcloud.com/vulnerabilities/65911

Track CVE-2011-1144 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2017-5630Php pear injection vulnerabilityPECL in the download utility class in the Installer in PEAR Base System v1.10.1 does not validate file types and filenames after a redirect, which al…EPSS 13%1 Feb 2017 7.5CVE-2006-0144Apache2triad code injection vulnerabilityThe proxy server feature in go-pear.php in PHP PEAR 0.2.2, as used in Apache2Triad, allows remote attackers to execute arbitrary PHP code by redirect…EPSS 1.8%9 Jan 2006 5.1CVE-2005-4154Php pear vulnerabilityUnspecified vulnerability in PEAR installer 1.4.2 and earlier allows user-assisted attackers to execute arbitrary code via a crafted package that can…EPSS 7.4%11 Dec 2005 3.3CVE-2011-1072Php pear link following vulnerabilityThe 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) d…EPSS 0.48%3 Mar 2011 7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed8 Sep 2026 7.8CVE-2015-5287ABRT abrt-hook-ccpp symlink privilege escalationThe abrt-hook-ccpp helper in Red Hat's Automatic Bug Reporting Tool (ABRT) before 2.7.1 follows symlinks on files with predictable names, letting a l…KEVEPSS 5.0%analysed7 Dec 2015 7.8CVE-2026-41091Microsoft Defender link following allows local privilege elevationMicrosoft Defender's malware protection engine resolves links improperly before accessing files, a link-following flaw (CWE-59). A local attacker wit…KEVEPSS 0.44%analysed20 May 2026 7.2CVE-2024-57728SimpleHelp zip slip path traversal allows arbitrary file write and code executionSimpleHelp remote support software v5.5.7 and earlier lets admin users upload a crafted zip file that writes files anywhere on the file system via zi…KEVEPSS 65%analysed15 Jan 2025

Source: NIST National Vulnerability Database (record CVE-2011-1144), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.