#VU19180 Input validation error in libpng - CVE-2017-12652

Vulnerability identifier: #VU19180

Vulnerability 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

Exploitation vector: Local

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 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

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

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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.