PT-2021-10914 · Irfan Skiljan · Irfanview

Published 2021-11-05 · Updated 2021-11-09 · CVE-2020-23567

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 Irfanview version 4.53

Description The issue allows attackers to cause a denial of service (DoS) via a crafted JPEG 2000 file. It is related to an "Integer Divide By Zero" error starting at JPEG2000!ShowPlugInSaveOptions W+0x00000000000082ea.

Recommendations For Irfanview version 4.53, consider avoiding the use of JPEG 2000 files until a patch is available. As a temporary workaround, restrict the handling of crafted JPEG 2000 files 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

DoS

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2020-23567

Affected Products

Irfanview

References · 5

• 🔥 https://github.com/KamasuOri/publicResearch/tree/master/poc/irfanview/2 · Exploit
• https://osv.dev/vulnerability/CVE-2020-23567 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23567 · Security Note
• https://t.me/cvenotify/23160 · Telegram Post
• https://t.me/cibsecurity/31907 · Telegram Post