CVE-2017-17878

critical
Published 2017-12-27 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
10.0
VIR risk
9.8

Description

An issue was discovered in Valve Steam Link build 643. Root passwords longer than 8 characters are truncated because of the default use of DES (aka the CONFIG_FEATURE_DEFAULT_PASSWD_ALGO="des" setting).

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/ValveSoftware/steamlink-sdk/issues/110

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/ValveSoftware/steamlink-sdk/issues/101

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://blogger.davidmanouchehri.com/2017/12/steam-link-security-truncated-password.html

References

CWEs

CWE-327

Verify integrity in audit chain (admin only). AS-IS.