PT-2023-12129 · Xnview · Xnview

Michael Heinzl · Published 2023-08-11 · Updated 2023-08-17 · CVE-2021-28835

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 XNView versions prior to 2.50

Description The issue allows local attackers to execute arbitrary code via crafted GEM bitmap files. This is a Buffer Overflow vulnerability.

Recommendations For versions prior to 2.50, update to version 2.50 or later to resolve the issue. As a temporary workaround, consider avoiding the use of crafted GEM bitmap files until a patch is applied. Restrict access to the GEM bitmap file handling functionality to minimize the risk of exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-28835

Affected Products

Xnview

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-28835 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28835 · Vendor Advisory
• https://twitter.com/cracbot/status/1690241820901756928 · Twitter Post
• https://twitter.com/CVEnew/status/1690264426849394688 · Twitter Post
• https://t.me/cibsecurity/68361 · Telegram Post
• https://newsgroup.xnview.com/viewtopic.php?f=35&t=44679 · Note
• https://xnview.com/en/xnview/#changelog · Note