CVE-2018-5002: Adobe Flash Player Stack-based Buffer Overflow Vulnerability

Vulnerability summary

CVE-2018-5002 is a high (CVSS 10.0) Out-of-bounds Write vulnerability in Adobe Flash Player. It is known to be exploited: CISA lists it, first on 23-05-2022. EPSS estimates a 25.06% chance of exploitation in the next 30 days, higher than 97.9% of scored vulnerabilities.

Timeline

1. 09-07-2018
   PublishedVulnerability first disclosed.
2. 23-05-2022
   Added to CISA KEVAdobe Flash Player Stack-based Buffer Overflow Vulnerability
3. 13-06-2022
   CISA remediation dueThe impacted product is end-of-life and should be disconnected if still in use.
4. 17-11-2025
   Last modifiedVulnerability information updated.

Description

Adobe Flash Player versions 29.0.0.171 and earlier have a Stack-based buffer overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).