UNIX symbolic link following in Net-snmp - CVE-2020-15861
Published: August 17, 2020
Vulnerability identifier: #VU45744
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2020-15861
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: net-snmp.sourceforge.net
Affected software:
Net-snmp
Net-snmp
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue in snmpd. A local user can bypass implemented security mechanism via *snmp-mibs-downloader package* and execute arbitrary commands on the system as root.
How to mitigate CVE-2020-15861
Install updates from vendor's website.