#VU32406 Stack-based buffer overflow in PHP - CVE-2015-5590
Published: January 19, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32406
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-5590
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PHP
PHP
Software vendor:
PHP Group
PHP Group
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the phar_fix_filepath function in ext/phar/phar.c when processing a large length value, as demonstrated by mishandling of an e-mail attachment by the imap PHP extension. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
The vendor has issued the following versions to address this vulnerability: 5.4.43, 5.5.27, 5.6.11.