CVE-2016-1904 Information

Description

Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a denial of service or possibly have unspecified other impact via a long string to the (1) php_escape_shell_cmd or (2) php_escape_shell_arg function leading to a heap-based buffer overflow.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Reference

http://www.openwall.com/lists/oss-security/2016/01/14/8 http://www.php.net/ChangeLog-7.php http://www.securitytracker.com/id/1034608 https://bugs.php.net/bug.php?id=71270 https://github.com/php/php-src/commit/2871c70efaaaa0f102557a17c727fd4d5204dd4b

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

7.3