Heap Buffer Overflow in swftools Affects Code Execution
CVE-2021-39564

7.8HIGH

Key Information:

Vendor

Swftools

Status
Swftools
Vendor
CVE Published:
20 September 2021

What is CVE-2021-39564?

A vulnerability in swftools allows a heap-buffer-overflow in the swf_DumpActions() function, potentially leading to unauthorized code execution. This issue affects all versions up to 20200710, posing a significant risk for users who have not updated. Attackers could exploit this vulnerability to execute arbitrary code, highlighting the necessity for timely software updates and security patches.

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References

https://github.com/matthiaskramm/swftools/issues/116
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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