Denial of service in libpng



| Updated: 2020-02-06
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-12652
CWE-ID CWE-20
Exploitation vector Local
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) Input validation error

EUVDB-ID: #VU19180

Risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-12652

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in libpng when checking the chuck length against the user limit. A remote attacker can supply a specially crafted PNG image and crash the affected application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libpng: 1.6.0 - 1.6.31

CPE2.3 External links

https://github.com/glennrp/libpng/blob/df7e9dae0c4aac63d55361e35709c864fa1b8363/ANNOUNCE


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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