Vulnerability identifier: #VU15994

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3977

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Simple DirectMedia Layer
Client/Desktop applications / Multimedia software

Vendor: zlib license

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to heap-based buffer overflow in the XCF image rendering functionality. A remote unauthenticated attacker can supply a specially crafted XCF image, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Simple DirectMedia Layer: 2.0.3

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2018-0645

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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.