SB2018120830 - OS command injection in php5 (Alpine package)



SB2018120830 - OS command injection in php5 (Alpine package)

Published: December 8, 2018

Security Bulletin ID SB2018120830
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) OS command injection (CVE-ID: CVE-2018-19158)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The weakness exists due to OS command injection in imap_open. A remote attacker can bypass disabled exec functions in PHP and run arbitrary shell commands via mailbox parameter.

Remediation

Install update from vendor's website.