Use-after-free Vulnerability in Adobe Flash Player
CVE-2018-4878

9.8CRITICAL

Key Information:

Vendor

Adobe

Vendor
CVE Published:
6 February 2018

Badges

💰 Ransomware👾 Exploit Exists🟡 Public PoC🟣 EPSS 93%🦅 CISA Reported

What is CVE-2018-4878?

A use-after-free vulnerability was identified in Adobe Flash Player prior to version 28.0.0.161. The flaw arises from a dangling pointer in the Primetime SDK, particularly in its media player when handling listener objects. This vulnerability can be exploited to execute arbitrary code on affected systems. Notably, this security issue was actively exploited in the wild during January and February 2018, prompting the need for immediate attention and patches to protect users from potential malicious attacks.

CISA has reported CVE-2018-4878

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2018-4878 as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: The impacted product is end-of-life and should be disconnected if still in use.

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Affected Version(s)

Adobe Flash Player before 28.0.0.161 Adobe Flash Player before 28.0.0.161

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

EPSS Score

93% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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