CVE-2017-17878 — An issue was discovered in Valve Steam Link build 643
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).
Published
2017-12-27T17:08:21.140
Last modified
2026-05-13T00:24:29.033
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
01What is this vulnerability?
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).
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-12-27T17:08:21.140
- Last modified: 2026-05-13T00:24:29.033
09References
- blogger.davidmanouchehri.com — https://blogger.davidmanouchehri.com/2017/12/steam-link-security-truncated-passw…
- github.com — https://github.com/ValveSoftware/steamlink-sdk/issues/101
- github.com — https://github.com/ValveSoftware/steamlink-sdk/issues/110
- blogger.davidmanouchehri.com — https://blogger.davidmanouchehri.com/2017/12/steam-link-security-truncated-passw…
- github.com — https://github.com/ValveSoftware/steamlink-sdk/issues/101
- github.com — https://github.com/ValveSoftware/steamlink-sdk/issues/110
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