CVE-2018-17107 json
tgstation-server cached user logins in legacy server
published 8y ago modified 4mo ago also GHSA-42r6-p4px-qvv6 , EUVD-2023-1676
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
In Tgstation tgstation-server 3.2.4.0 through 3.2.1.0 (fixed in 3.2.5.0), active logins would be cached, allowing subsequent logins to succeed with any username or password.
Patch / fix
- nuget TGServiceInterface 3.2.5.0
- tgstation13 tgstation-server 3.2.5.0
Is CVE-2018-17107 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 8.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | TGServiceInterface | >=3.2.1.0, <3.2.5.0 |
3.2.5.0 |
References
-
github.com
/tgstation/tgstation-server/commit/1812a9c6793c8516c138a105ccfb2108164f0eff
web
-
github.com
/tgstation/tgstation-server/commit/2894ea03d708c7f16bab47ba5020c2ad4c3d5554#diff-0ba090ea7073a3a304dfdbdfc512f
web
-
github.com
/tgstation/tgstation-server/issues/690
technical-description, third-party-advisory
-
github.com
/tgstation/tgstation-server/security/advisories/GHSA-42r6-p4px-qvv6
web
-
nvd.nist.gov
/vuln/detail/CVE-2018-17107
advisory
-
docs.microsoft.com
/en-us/dotnet/api/system.servicemodel.serviceauthenticationmanager.authenticate?view=netframework-4.7.2#System
web
-
github.com
/tgstation/tgstation-server
package
-
github.com
/tgstation/tgstation-server/blob/tgstation-server-v3.2.5.0/TGS.Interface/TGS.Interface.nuspec
web
-
nuget.org
/packages/TGServiceInterface
web
Sources
- CVE List CVE-2018-17107
- GitHub Advisory GHSA-42r6-p4px-qvv6
- NVD CVE-2018-17107
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.