Heap Buffer Overflow in SWFTools Affects Code Execution
CVE-2021-42204

7.8HIGH

Key Information:

Vendor

Swftools

Status
Swftools
Vendor
CVE Published:
2 June 2022

What is CVE-2021-42204?

A vulnerability identified in SWFTools, specifically in version 20201222, presents a heap buffer overflow stemming from the function swf_GetBits() located in rfxswf.c. This flaw can potentially be exploited by attackers to execute arbitrary code on the affected systems, posing significant security risks.

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References

https://github.com/matthiaskramm/swftools/issues/169
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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