SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2007-1718

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…

HIGH 7.8EPSS 6.69%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:C/A:N
EPSS
6.69% probability · 94th percentile
CISA KEV
Not listed
Affected
php/php
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.