#VU35477 Buffer overflow in IrfanView - CVE-2019-16887

Vulnerability identifier: #VU35477

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/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-2019-16887

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IrfanView
Client/Desktop applications / Office applications

Vendor: Irfan Skiljan

Description

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

In IrfanView 4.53, Data from a Faulting Address controls a subsequent Write Address starting at image00400000+0x000000000001dcfc.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IrfanView: 4.53

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External links
https://github.com/cribdragg3r/offensive_research/blob/master/bugs/irfanview/0x000000000001dcfc.adoc

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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.