SB2018082010 - Multiple vulnerabilities in PHP



SB2018082010 - Multiple vulnerabilities in PHP

Published: August 20, 2018

Security Bulletin ID SB2018082010
Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) 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 when fetching a BLOB field. A remote attacker can submit a malicious BLOB field and gain access to arbitrary data.

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

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

The weakness exists due to memory leak when using PDO::CURSOR_SCROLL option. A remote attacker can trigger memory corruption and cause httpd.exe to crash on 32 bit systems.

3) Segmentation fault (CVE-ID: N/A)

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

The weakness exists due to segmentation fault when using `output_add_rewrite_var. A remote attacker can cause the service to crash.

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

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

The weakness exists due to ZipArchive memory leak. A remote attacker can trigger flag overwrite and empty archive and cause the service to crash.

Remediation

Install update from vendor's website.