CVE-2019-12727 — On Ubiquiti airCam 3

On Ubiquiti airCam 3.1.4 devices, a Denial of Service vulnerability exists in the RTSP Service provided by the ubnt-streamer binary. The issue can be triggered via malformed RTSP requests that lead to an invalid memory read. To exploit the vulnerability, an attacker must craft an

01What is this vulnerability?

On Ubiquiti airCam 3.1.4 devices, a Denial of Service vulnerability exists in the RTSP Service provided by the ubnt-streamer binary. The issue can be triggered via malformed RTSP requests that lead to an invalid memory read. To exploit the vulnerability, an attacker must craft an RTSP request with a large number of headers.

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: 2019-06-04T12:18:29.000Z
• Last modified: 2024-08-04T23:32:54.178Z

09References

• github.com — https://github.com/X-C3LL/PoC-CVEs/blob/master/Aircam-DoS/Aircam-DoS.py