SB2019082605 - Privilege escalation in Cisco Remote PHY
Published: August 26, 2019
Security Bulletin ID
SB2019082605
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) OS command injection (CVE-ID: CVE-2019-1839)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to execute commands on the underlying Linux shell.
The vulnerability exists due to insufficient validation of user-supplied input. A local authenticated user can supply various CLI commands with crafted arguments, run arbitrary commands and take over the target system.
Remediation
Install update from vendor's website.