Vulnerability identifier: #VU16666

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-5812

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

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

Vendor: LibRaw LLC

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists due to insufficient validation of user-supplied input processed by the nikon_coolscan_load_raw() function, as defined in the internal/dcraw_common.cpp source code file in LibRaw versions prior to 0.18.9. A local attacker can supply a specially crafted input, trigger a NULL pointer dereference and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LibRaw: 0.11.0-Release - 0.18.8

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External links
http://github.com/LibRaw/LibRaw/blob/master/Changelog.txt
http://github.com/LibRaw/LibRaw/commit/fd6330292501983ac75fe4162275794b18445bd9

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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. However, proof of concept for this vulnerability is available.