PT-2017-18029 · Imageworsener · Imageworsener

Asarubbo · Published 2017-04-19 · Updated 2019-09-16 · CVE-2017-7962

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 ImageWorsener version 1.3.0

Description The issue allows remote attackers to cause a denial of service, resulting in a divide-by-zero error and application crash, via a crafted file. This is due to a problem in the iwgif read image function.

Recommendations For ImageWorsener version 1.3.0, consider avoiding the use of the iwgif read image function until a patch is available. As a temporary workaround, restrict the processing of crafted 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

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2017-7962

Affected Products

Imageworsener

References · 6

• 🔥 https://blogs.gentoo.org/ago/2017/04/17/imageworsener-divide-by-zero-in-iwgif_record_pixel-imagew-gif-c · Exploit
• https://github.com/jsummers/imageworsener/issues/15 · Vendor Advisory
• https://github.com/jsummers/imageworsener/commit/ca3356eb49fee03e2eaf6b6aff826988c1122d93 · Patch
• https://osv.dev/vulnerability/CVE-2017-7962 · Vendor Advisory
• https://security.gentoo.org/glsa/201706-06 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-7962 · Security Note