PT-2021-22641 · Swftools · Swftools

Seviezhou · Published 2021-09-20 · Updated 2021-09-23 · CVE-2021-39558

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 exists in the function VectorGraphicOutputDev::drawGeneralImage() located in VectorGraphicOutputDev.cc, which allows an attacker to cause code execution due to a stack-buffer-overflow.

Recommendations: For versions through 20200710, consider disabling the VectorGraphicOutputDev::drawGeneralImage() function until a patch is available. Restrict access to the VectorGraphicOutputDev.cc module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-39558

Affected Products

Swftools

References · 7

• 🔥 https://github.com/matthiaskramm/swftools/issues/106 · Exploit
• https://ubuntu.com/security/CVE-2021-39558 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39558 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39558 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39558 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-39558 · Security Note
• https://t.me/cibsecurity/29138 · Telegram Post