SB2018072109 - Infinite loop in php7 (Alpine package)
Published: July 21, 2018
Security Bulletin ID
SB2018072109
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Infinite loop (CVE-ID: CVE-2018-10546)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to infinite loop. A remote attacker can use a stream filter with convert.iconv and not enough input bytes, trigger an infinite loop, one CPU Core at 100% and cause the service to crash.
Remediation
Install update from vendor's website.