Off-by-one error in PHP - CVE-2016-10160

 

Off-by-one error in PHP - CVE-2016-10160

Published: May 21, 2018


Vulnerability identifier: #VU12907
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-10160
CWE-ID: CWE-193
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PHP Group
Affected software:
PHP

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists in the phar_parse_pharfile function in ext/phar/phar.c due to off-by-one error. A remote attacker can submit a specially crafted PHAR archive with an alias mismatch and cause the service to crash or execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2016-10160

Update to version 5.6.30 or 7.0.15.

Sources