CVE-2022-34960: mikrotik routeros Link Following

Vulnerability summary

CVE-2022-34960 is a critical (CVSS 9.8) Link Following vulnerability in mikrotik routeros. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 25-08-2022
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

The container package in MikroTik RouterOS 7.4beta4 allows an attacker to create mount points pointing to symbolic links, which resolve to locations on the host device. This allows the attacker to mount any arbitrary file to any location on the host.

• CWE-59Improper Link Resolution Before File Access ('Link Following')The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.