Vulnerability identifier: #VU14700

Vulnerability risk: Low

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

CVE-ID: CVE-2018-16548

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

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

Vendor: zziplib.sourceforge.net

Description

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

The vulnerability exists due to a memory leak in the __zzip_parse_root_directory function, as defined in the zip.c source code file. A local attacker can supply specially crafted input and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ZZIPlib: 0.13.0 - 0.13.69

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External links
http://github.com/gdraheim/zziplib/issues/58

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