SB2018030106 - Multiple vulnerabilities in PHP

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Stack-based buffer overflow (CVE-ID: CVE-2018-7584)

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

The weakness exists due to stack-based buffer overflow when handling malicious input. A remote attacker can send specially crafted HTTP response packets, trigger memory corruption and cause the application to crash.

2) Memory leak (CVE-ID: N/A)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to memory leak in pg_escape_bytea(). A remote attacker can gain access to arbitrary data.

Remediation

Install update from vendor's website.

References

• http://php.net/ChangeLog-5.php
• http://php.net/ChangeLog-7.php
• http://php.net/ChangeLog-7.php#7.1.15