Vulnerability identifier: #VU37720

Vulnerability risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18005

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Exiv2
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dreference error in the Exiv2::DataValue::toLong function in value.cpp, related to crafted metadata file. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Exiv2: 0.26

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External links
http://github.com/Exiv2/exiv2/issues/168

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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.