PT-2021-10974 · Wildbit · Wildbit Viewer

Published 2021-11-10 · Updated 2021-11-13 · CVE-2020-23899

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: WildBit Viewer version 6.6

Description: The issue allows attackers to cause a denial of service (DoS) via a crafted tga file. This is due to a User Mode Write AV in Editor+0x5f91.

Recommendations: For WildBit Viewer version 6.6, consider avoiding the use of crafted tga files until a patch is available. As a temporary workaround, restrict the opening of tga files in the affected Editor+0x5f91 module to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-23899

Affected Products

Wildbit Viewer

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-23899 · Security Note
• https://osv.dev/vulnerability/CVE-2020-23899 · Vendor Advisory
• https://github.com/Aurorainfinity/vulnerabilities/blob/master/WildBit_Viewer/tga_file_format.md · Note
• https://wildbit-soft.fi/software.html · Note
• https://t.me/cibsecurity/32222 · Telegram Post