CVE-2007-1900: CRLF Injection
First published: Tue Apr 10 2007(Updated: )
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 '\n' character, which causes a regular expression to ignore the subsequent part of the address string.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | =5.2.0 | |
| PHP | =5.2.1 |
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Reference Links
- http://www.php-security.org/MOPB/PMOPB-45-2007.html
- http://www.securityfocus.com/bid/23359
- http://secunia.com/advisories/24824
- http://www.debian.org/security/2007/dsa-1283
- http://www.ubuntu.com/usn/usn-455-1
- http://secunia.com/advisories/25062
- http://secunia.com/advisories/25057
- http://www.osvdb.org/33962
- http://www.php.net/releases/5_2_3.php
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00397.html
- http://security.gentoo.org/glsa/glsa-200705-19.xml
- http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.482863
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.trustix.org/errata/2007/0023/
- http://secunia.com/advisories/25056
- http://secunia.com/advisories/25445
- http://secunia.com/advisories/25535
- http://secunia.com/advisories/26231
- http://secunia.com/advisories/27037
- http://secunia.com/advisories/27110
- http://secunia.com/advisories/27102
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795
- http://www.vupen.com/english/advisories/2007/3386
- http://www.vupen.com/english/advisories/2007/2016
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33510
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6067
Frequently Asked Questions
What is the severity of CVE-2007-1900?
CVE-2007-1900 is considered a medium severity vulnerability due to its potential for CRLF injection, affecting the security of email headers.
How do I fix CVE-2007-1900?
To fix CVE-2007-1900, upgrade to a PHP version later than 5.2.1 that addresses this CRLF injection vulnerability.
Who is affected by CVE-2007-1900?
CVE-2007-1900 affects users of PHP versions 5.2.0 and 5.2.1, particularly those using the FILTER_VALIDATE_EMAIL filter.
What types of attacks can exploit CVE-2007-1900?
CVE-2007-1900 can be exploited to inject arbitrary email headers, potentially allowing for phishing or spam attacks.
What is the nature of the vulnerability in CVE-2007-1900?
CVE-2007-1900 is a CRLF injection vulnerability that allows attackers to manipulate email addresses and bypass validation.
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