#VU16342 Stack-based buffer overflow in LibRaw - CVE-2018-5805

Vulnerability identifier: #VU16342

Vulnerability risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-5805

CWE-ID: CWE-121

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 weakness exists due to stack-based buffer overflow within the "quicktake_100_load_raw()" function (internal/dcraw_common.cpp). A local attacker can submit specially crafted images, trigger memory corruption and cause the service to crash.

Mitigation
Update to version 0.18.8.

Vulnerable software versions

LibRaw: 0.18.0 - 0.18.7

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External links
https://github.com/LibRaw/LibRaw/commit/9f26ce37f5be86ea11bfc6831366558650b1f6ff

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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.