CVE-2017-18248 — The add_job function in scheduler/ipp
The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending print jobs with an invalid username, related to a D-Bus notification.
Published
2018-03-26T17:00:00.000Z
Last modified
2024-08-05T21:13:49.207Z
01What is this vulnerability?
The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending print jobs with an invalid username, related to a D-Bus notification.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
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: 2018-03-26T17:00:00.000Z
- Last modified: 2024-08-05T21:13:49.207Z
09References
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/05/msg00018.html
- github.com — https://github.com/apple/cups/issues/5143
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/07/msg00003.html
- usn.ubuntu.com — https://usn.ubuntu.com/3713-1/
- security.cucumberlinux.com — https://security.cucumberlinux.com/security/details.php?id=346
- github.com — https://github.com/apple/cups/releases/tag/v2.2.6
- github.com — https://github.com/apple/cups/commit/49fa4983f25b64ec29d548ffa3b9782426007df3
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