Vulnerability identifier: #VU6930

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8326

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ImageWorsener
Universal components / Libraries / Libraries used by multiple products

Vendor: Jason Summer

Description
libimageworsener.a in ImageWorsener before 1.3.1 has "left shift cannot be represented in type int" undefined behavior issues, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image, related to imagew-bmp.c and imagew-util.c.

Mitigation
Update to version 1.3.1.

Vulnerable software versions

ImageWorsener: 1.3.0

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External links
http://github.com/jsummers/imageworsener/commit/a00183107d4b84bc8a714290e824ca9c68dac738

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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.