SB2017112302 - Multiple vulnerabilities in PHP
Published: November 23, 2017
Security Bulletin ID
SB2017112302
Severity
Low
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Denial of service (CVE-ID: N/A)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to an error when modifing property name in __isset for BP_VAR_IS. A remote attacker can cause the service to crash.
2) Directory traversal (CVE-ID: N/A)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to directory traversal if the webserver started with a router script with relative path and in a shutdown function there is a chdir to a different directory than one where the router script is. A remote attacker can cause the webserver to crash.
3) 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 openssl_x509_parse. A remote attacker can read arbitrary data.
Remediation
Install update from vendor's website.