CVE-2017-6903 — In ioquake3 before 2017-03-14, the auto-downloading feature has insufficient con

In ioquake3 before 2017-03-14, the auto-downloading feature has insufficient content restrictions. This also affects Quake III Arena, OpenArena, OpenJK, iortcw, and other id Tech 3 (aka Quake 3 engine) forks. A malicious auto-downloaded file can trigger loading of crafted auto-do

01What is this vulnerability?

In ioquake3 before 2017-03-14, the auto-downloading feature has insufficient content restrictions. This also affects Quake III Arena, OpenArena, OpenJK, iortcw, and other id Tech 3 (aka Quake 3 engine) forks. A malicious auto-downloaded file can trigger loading of crafted auto-downloaded files as native code DLLs. A malicious auto-downloaded file can contain configuration defaults that override…

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: 2017-03-14T22:59:01.257
• Last modified: 2026-05-13T00:24:29.033

09References

• www.debian.org — http://www.debian.org/security/2017/dsa-3812
• bugs.debian.org — https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=857699
• github.com — https://github.com/JACoders/OpenJK/commit/8956a35e7b91c4a0dd1fa6db1d28c7f0efbab2…
• github.com — https://github.com/ioquake/ioq3/commit/376267d534476a875d8b9228149c4ee18b74a4fd
• github.com — https://github.com/ioquake/ioq3/commit/b173ac05993f634a42be3d3535e1b158de0c3372
• github.com — https://github.com/ioquake/ioq3/commit/f61fe5f6a0419ef4a88d46a128052f2e8352e85d
• github.com — https://github.com/iortcw/iortcw/commit/11a83410153756ae350a82ed41b08d128ff7f998
• github.com — https://github.com/iortcw/iortcw/commit/b248763e4878ef12d5835ece6600be8334f67da1
• github.com — https://github.com/iortcw/iortcw/commit/b6ff2bcb1e4e6976d61e316175c6d7c99860fe20
• ioquake3.org — https://ioquake3.org/2017/03/13/important-security-update-please-update-ioquake3…