PT-2022-11560 · Swftools · Swftools

Cxlzff · Published 2022-05-31 · Updated 2022-06-08 · CVE-2021-42198

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions swftools versions prior to 20201223

Description An issue exists in the function swf GetBits() located in rfxswf.c, which allows an attacker to cause Denial of Service due to a NULL pointer dereference.

Recommendations For versions prior to 20201223, update to a version released after 20201222 to resolve the issue. As a temporary workaround, consider restricting access to the swf GetBits() function until a patch is available.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-42198

Affected Products

Swftools

References · 6

• 🔥 https://github.com/matthiaskramm/swftools/issues/168 · Exploit
• https://osv.dev/vulnerability/CVE-2021-42198 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-42198 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-42198 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-42198 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42198 · Security Note