SB2018072425 - Security restrictions bypass in php7 (Alpine package)
Published: July 24, 2018
Security Bulletin ID
SB2018072425
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-10545)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to bypass security restrictions and obtain potentially sensitive information on the target system.
The weakness exists due to improper access controls. A local attacker can change UID and GID, PHP-FPM sets pool worker processes to be dumpable, attach to the PHP-FPM workers and gain access to any restricted resources that are not supposed to be allowed.
Remediation
Install update from vendor's website.