CVE-2007-1718

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-03-28 · updated 2026-06-16

Description

CRLF injection vulnerability in the mail function in PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allows remote attackers to inject arbitrary e-mail headers and possibly conduct spam attacks via a control character immediately following folding of the (1) Subject or (2) To parameter, as demonstrated by a parameter containing a "\r\n\t\n" sequence, related to an increment bug in the SKIP_LONG_HEADER_SEP macro.

Affected products

PHP: 4.0, 4.0-beta_4_patch1, 4.0-beta1, 4.0-beta2, 4.0-beta3, 4.0-beta4 (+69)

References

http://rhn.redhat.com/errata/RHSA-2007-0155.html
http://secunia.com/advisories/24909
http://secunia.com/advisories/24924
http://secunia.com/advisories/24965
http://secunia.com/advisories/25025
http://secunia.com/advisories/25056
http://secunia.com/advisories/25057
http://secunia.com/advisories/25062
http://secunia.com/advisories/25445
http://security.gentoo.org/glsa/glsa-200705-19.xml
http://us2.php.net/releases/5_2_2.php
http://www.debian.org/security/2007/dsa-1282

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