Input validation error in PHP - CVE-2007-1889
Published: July 29, 2017 / Updated: June 8, 2025
Vulnerability identifier: #VU110413
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2007-1889
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Integer signedness error in the _zend_mm_alloc_int function in the Zend Memory Manager in PHP 5.2.0 allows remote attackers to execute arbitrary code via a large emalloc request, related to an incorrect signed long cast, as demonstrated via the HTTP SOAP client in PHP, and via a call to msg_receive with the largest positive integer value of maxsize.
How to mitigate CVE-2007-1889
Install update from vendor's website.
Sources
- http://secunia.com/advisories/25056
- http://secunia.com/advisories/25062
- http://www.debian.org/security/2007/dsa-1283
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.php-security.org/MOPB/MOPB-43-2007.html
- http://www.php-security.org/MOPB/MOPB-44-2007.html
- http://www.securityfocus.com/bid/23238
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33770