Heap Buffer Overflow Vulnerability in swftools Product
CVE-2021-42199

7.8HIGH

Key Information:

Vendor

Swftools

Status
Swftools
Vendor
CVE Published:
2 June 2022

What is CVE-2021-42199?

A vulnerability has been identified in swftools, specifically in the swf_FontExtract_DefineTextCallback() function within swftext.c. This vulnerability manifests as a heap buffer overflow, which can be exploited by an attacker to execute arbitrary code on the affected system. This flaw underscores the necessity for users to apply immediate patches and mitigate potential risks associated with outdated software versions. Further details can be found in the discussion on GitHub.

References

https://github.com/matthiaskramm/swftools/issues/173
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

.