Vulnerability identifier: #VU16694

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-2018-5804

CWE-ID: CWE-369

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 type confusion error within the "identify()" function (internal/dcraw_common.cpp). A local attacker can supply a specially crafted input, trigger divide by zero error and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LibRaw: 0.11.0-Release - 0.18.7

---

External links
http://github.com/LibRaw/LibRaw/blob/master/Changelog.txt
http://github.com/LibRaw/LibRaw/commit/9f26ce37f5be86ea11bfc6831366558650b1f6ff
http://secuniaresearch.flexerasoftware.com/advisories/81000/

---

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.