CVE-2017-7494: Samba Remote Code Execution Vulnerability

CVE-2017-7494 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-03-30

Samba is vulnerable to remote code execution when a malicious client uploads a shared library to a writable share. The server can then be coerced into loading and executing the library, allowing for full system compromise.

Technologies: Samba. Vendors: Samba.

Quick answers

Is CVE-2017-7494 exploited in the wild?
Yes. CVE-2017-7494 is known to be exploited in the wild, first recorded on 30 March 2023. Treat it as urgent.
How severe is CVE-2017-7494?
Critical severity, with a CVSS score of 9.8, published 30 March 2023.
Which products and versions are affected?
Samba Samba since 3.5.0 before 4.6.4, 4.5.10, and 4.4.14.
Is there a fix for CVE-2017-7494?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2017-7494 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2017-7494?
Check whether you run Samba. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Samba Samba since 3.5.0 before 4.6.4, 4.5.10, and 4.4.14

Timeline

  • 2017-05-24: disclosed: Samba security advisory published
  • 2023-03-30: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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