Input validation error in PHP - CVE-2007-1900
Published: October 11, 2017 / Updated: June 8, 2025
Vulnerability identifier: #VU110406
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2007-1900
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to corrupt data.
CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a ' ' character, which causes a regular expression to ignore the subsequent part of the address string.
Affected software
PHP
Gentoo Linux
dev-lang/php
Gentoo Linux
dev-lang/php
How to mitigate CVE-2007-1900
Install update from vendor's website.
PHP - update to 5.2.2
dev-lang/php - update to 5.2.2
dev-lang/php - update to 5.2.2
External References
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795
- http://secunia.com/advisories/24824
- http://secunia.com/advisories/25056
- http://secunia.com/advisories/25057
- http://secunia.com/advisories/25062
- http://secunia.com/advisories/25445
- http://secunia.com/advisories/25535
- http://secunia.com/advisories/26231
- http://secunia.com/advisories/27037
- http://secunia.com/advisories/27102
- http://secunia.com/advisories/27110
- http://security.gentoo.org/glsa/glsa-200705-19.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.482863
- http://www.debian.org/security/2007/dsa-1283
- http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.osvdb.org/33962
- http://www.php.net/releases/5_2_3.php
- http://www.php-security.org/MOPB/PMOPB-45-2007.html
- http://www.securityfocus.com/bid/23359
- http://www.trustix.org/errata/2007/0023/
- http://www.ubuntu.com/usn/usn-455-1
- http://www.vupen.com/english/advisories/2007/2016
- http://www.vupen.com/english/advisories/2007/3386
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33510
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6067
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00397.html