PT-2021-22646 · Swftools · Swftools

Seviezhou · Published 2021-09-20 · Updated 2021-09-22 · CVE-2021-39564

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: swftools versions through 20200710

Description: An issue was discovered in swftools, where a heap-buffer-overflow exists in the swf DumpActions() function located in swfaction.c. This allows an attacker to cause code execution.

Recommendations: For versions through 20200710, consider disabling the swf DumpActions() function until a patch is available to prevent potential code execution attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-39564

Affected Products

Swftools

References · 8

• 🔥 https://github.com/matthiaskramm/swftools/issues/116 · Exploit
• https://osv.dev/vulnerability/CVE-2021-39564 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39564 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39564 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39564 · Security Note
• https://ubuntu.com/security/CVE-2021-39564 · Vendor Advisory
• https://t.me/cibsecurity/29137 · Telegram Post
• https://t.me/cvenotify/21314 · Telegram Post