CVE-2018-4877 — A use-after-free vulnerability was discovered in Adobe Flash Player before 28

A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player's quality of service functionality. A successful attack can lead to arbitrary code executio

01What is this vulnerability?

A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player's quality of service functionality. A successful attack can lead to arbitrary code execution.

02Affected products

Vendor	Product	Versions
n	a / Adobe Flash Player before 28.0.0.161	Adobe Flash Player before 28.0.0.161

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: 2018-02-06T20:00:00.000Z
• Last modified: 2024-08-05T05:18:26.666Z

09References

• helpx.adobe.com — https://helpx.adobe.com/security/products/flash-player/apsb18-03.html
• access.redhat.com — https://access.redhat.com/errata/RHSA-2018:0285
• www.securityfocus.com — http://www.securityfocus.com/bid/102930