Samba Remote Code Execution Vulnerability (CVE-2017-7494)
Severity: critical · Patch status: patched · Since 2023-03-30 · CVE-2017-7494
Samba contains a remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share and then cause the server to load and execute it. CISA added CVE-2017-7494 to its Known Exploited Vulnerabilities catalog on Mar 30, 2023, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 20, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch