CVE-2018-4878 on CISA KEV

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 handling of listener objects. A successful attack can lead to arbitrary code execution. This was

01What CISA says about 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 handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

02Required action — verbatim from CISA

The impacted product is end-of-life and should be disconnected if still in use.

03Notes & references

• blog.talosintelligence.com — http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html
• threatpost.com — https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/
• 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.securitytracker.com — http://www.securitytracker.com/id/1040318
• www.securityfocus.com — http://www.securityfocus.com/bid/102893
• www.fireeye.com — https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-ze…
• blog.morphisec.com — https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massi…
• www.darkreading.com — https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappe…
• github.com — https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash…
• www.trendmicro.com — https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/n…
• github.com — https://github.com/vysec/CVE-2018-4878
• securingtomorrow.mcafee.com — https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-pro…
• www.exploit-db.com — https://www.exploit-db.com/exploits/44412/

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

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

06Detection

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