Information disclosure in PHP - CVE-2010-1914
Published: August 17, 2017 / Updated: June 8, 2025
Vulnerability identifier: #VU110300
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-2010-1914
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 Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interrupting the handler for the (1) ZEND_BW_XOR opcode (shift_left_function), (2) ZEND_SL opcode (bitwise_xor_function), or (3) ZEND_SR opcode (shift_right_function), related to the convert_to_long_base function.
Affected software
PHP
Gentoo Linux
dev-lang/php
Gentoo Linux
dev-lang/php
How to mitigate CVE-2010-1914
Install update from vendor's website.
PHP - addressed in versions 5.2.13, 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://www.php-security.org/2010/05/08/mops-2010-014-php-zend_bw_xor-opcode-interruption-address-information-leak-vulnerability/index.html
- http://www.php-security.org/2010/05/08/mops-2010-015-php-zend_sl-opcode-interruption-address-information-leak-vulnerability/index.html
- http://www.php-security.org/2010/05/08/mops-2010-016-php-zend_sr-opcode-interruption-address-information-leak-vulnerability/index.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/58587