CVE-2019-11889 — Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service

Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service (device hang) via a crafted web page over HbbTV.

01What is this vulnerability?

Sony BRAVIA Smart TV devices allow remote attackers to cause a denial of service (device hang) via a crafted web page over HbbTV.

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: 2019-07-09T12:36:01.000Z
• Last modified: 2024-08-04T23:10:29.339Z

09References

• www.first.org — https://www.first.org/members/teams/sony_psirt
• packetstormsecurity.com — http://packetstormsecurity.com/files/153547/Sony-BRAVIA-Smart-TV-Denial-Of-Servi…
• www.darkmatter.ae — https://www.darkmatter.ae/xen1thlabs/sony-remote-denial-of-service-triggered-ove…
• seclists.org — http://seclists.org/fulldisclosure/2019/Jul/8