Denial of service in libpng



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-13785
CWE-ID CWE-369
CWE-190
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) Integer overflow

EUVDB-ID: #VU14544

Risk: Low

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:Clear]

CVE-ID: CVE-2018-13785

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to integer overflow when a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c). A remote attacker can send a specially crafted PNG file, trigger divide-by-zero error and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libpng: 1.6.34

CPE2.3 External links

https://sourceforge.net/p/libpng/bugs/278/


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###