Vulnerability identifier: #VU75517

Vulnerability risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-3857

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libpng
Universal components / Libraries / Libraries used by multiple products

Vendor: libpng

Description

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

The vulnerability exists due to a NULL pointer dereference error within the png_setup_paeth_row() function in pngwutil.c. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

libpng: 1.6.0 - 1.6.39

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External links
http://sourceforge.net/p/libpng/bugs/300/
http://security.netapp.com/advisory/ntap-20230406-0004/

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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.