Information disclosure in PHP - CVE-2010-2100
Published: August 23, 2016 / Updated: June 8, 2025
Vulnerability identifier: #VU110295
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-2100
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The (1) htmlentities, (2) htmlspecialchars, (3) str_getcsv, (4) http_build_query, (5) strpbrk, and (6) strtr functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature.
Affected software
PHP
Gentoo Linux
dev-lang/php
Gentoo Linux
dev-lang/php
How to mitigate CVE-2010-2100
Install update from vendor's website.
PHP - addressed in versions 5.2.14, 5.3.3
dev-lang/php - update to 5.3.8
dev-lang/php - update to 5.3.8
External References
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://php-security.org/2010/05/21/mops-2010-036-php-htmlentities-and-htmlspecialchars-interruption-information-leak-vulnerability/index.html
- http://php-security.org/2010/05/21/mops-2010-037-php-str_getcsv-interruption-information-leak-vulnerability/index.html
- http://php-security.org/2010/05/21/mops-2010-038-php-http_build_query-interruption-information-leak-vulnerability/index.html
- http://php-security.org/2010/05/21/mops-2010-039-php-strpbrk-interruption-information-leak-vulnerability/index.html
- http://php-security.org/2010/05/21/mops-2010-040-php-strtr-interruption-information-leak-vulnerability/index.html