SB2017080312 - Multiple vulnerabilities in PHP
Published: August 3, 2017
Security Bulletin ID
SB2017080312
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Use-after-free error (CVE-ID: N/A)
The vulnerability allows a remote attacker to gain access to data in memory.The weakness exists due to use-after-free error in unserialize() with SplFixedArray. A remote attacker can trigger memory leak and create gadgets to gain full memory read/write access.
2) Integer overflow (CVE-ID: N/A)
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code.The weakness exists due to integer overflow in oci_bind_array_by_name. A remote attacker can trigger memory corruption, cause the system to crash or execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
3) 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 handling malicious data. A remote attacker can send a specially crafted XML document, trigger memory leak and cause the application to crash.
Remediation
Install update from vendor's website.