CVE-2007-1884

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-04-06 · updated 2026-06-16

Description

Multiple integer signedness errors in the printf function family in PHP 4 before 4.4.5 and PHP 5 before 5.2.1 on 64 bit machines allow context-dependent attackers to execute arbitrary code via (1) certain negative argument numbers that arise in the php_formatted_print function because of 64 to 32 bit truncation, and bypass a check for the maximum allowable value; and (2) a width and precision of -1, which make it possible for the php_sprintf_appendstring function to place an internal buffer at an arbitrary memory location.

Affected products

PHP: 4.0, 4.0-beta_4_patch1, 4.0-beta1, 4.0-beta2, 4.0-beta3, 4.0-beta4 (+66)

References

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056506
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01086137
http://secunia.com/advisories/25423
http://secunia.com/advisories/25850
http://www.osvdb.org/33955
http://www.osvdb.org/34767
http://www.php-security.org/MOPB/MOPB-38-2007.html
http://www.php.net/releases/5_2_1.php
http://www.securityfocus.com/bid/23219
http://www.vupen.com/english/advisories/2007/1991
http://www.vupen.com/english/advisories/2007/2374
https://exchange.xforce.ibmcloud.com/vulnerabilities/33755

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