NULL pointer dereference in libpng



Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2022-3857
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libpng
Universal components / Libraries / Libraries used by multiple products

Vendor libpng

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU75517

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3857

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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

CPE2.3 External links

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


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###