CVE-2021-42203

An issue was discovered in swftools through 20201222. A heap-use-after-free exists in the function swf_FontExtract_DefineTextCallback() located in swftext.c. It allows an attacker to cause code execution.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/matthiaskramm/swftools/issues/176	Exploit Third Party Advisory
https://github.com/matthiaskramm/swftools/issues/176	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:swftools:swftools:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:27

Type	Values Removed	Values Added
References	~~() https://github.com/matthiaskramm/swftools/issues/176 - Exploit, Third Party Advisory~~	() https://github.com/matthiaskramm/swftools/issues/176 - Exploit, Third Party Advisory

Information

Published : 2022-06-02 14:15

Updated : 2024-11-21 06:27

NVD link : CVE-2021-42203

Mitre link : CVE-2021-42203

CVE.ORG link : CVE-2021-42203

JSON object : View

Products Affected

swftools

swftools

CWE

CWE-416

Use After Free

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