Out-of-bounds read in PHP - CVE-2017-16642

Vulnerability identifier: #VU8968

CSH Severity: Low

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-16642

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to out-of-bounds read in timelib_meridian(). A remote attacker can cause the application to crash.

PHP
Debian Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power
php5 (Ubuntu package)
php (Debian package)

Update to version 7.0.25 or 7.1.11.

php5 (Ubuntu package) - update to 5.5.9+dfsg-1ubuntu4.23
php (Debian package) - update to 5.6.33+dfsg-0+deb8u1

• Exploit #1358 - PHP 7.1.8 - Heap-Based Buffer Overflow (March 18, 2020)

• https://bugs.php.net/bug.php?id=75055

• Multiple vulnerabilities in PHP
• Debian update for php7.0
• Debian update for php5
• Ubuntu update for PHP
• Red Hat update for php