Denial of service in pngcheck



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-369
Exploitation vector Network
Public exploit N/A
Vulnerable software
 pngcheck
Universal components / Libraries / Libraries used by multiple products

Vendor libpng

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Division by zero

EUVDB-ID: #VU70431

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a division by zero issue when zlib-decoding interlaced PNGs with extra data beyond what is required for the declared image dimensions. A remote attacker can pass a specially crafted PNG file to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

pngcheck: 3.0.0 - 3.0.2

CPE2.3 External links

https://www.libpng.org/pub/png/apps/pngcheck.html#3.0.3


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###