Buffer overflow in cosmin OptiPNG



| Updated: 2020-08-08
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-16938
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 OptiPNG
Other software / Other software solutions

Vendor cosmin

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU37876

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-16938

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

A global buffer overflow in OptiPNG 0.7.6 allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

OptiPNG: 0.7.6

CPE2.3 External links

https://lists.debian.org/debian-lts-announce/2017/11/msg00042.html
https://security.gentoo.org/glsa/201801-02
https://sourceforge.net/p/optipng/bugs/69/
https://www.debian.org/security/2017/dsa-4058


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.



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