Vulnerability identifier: #VU17476

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7401

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Unit
Server applications / Application servers

Vendor: NGINX

Description

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

The vulnerability exists due to a boundary error when processing malicious input. A remote attacker can supply a specially crafted request, trigger heap-based buffer overflow and cause the router process to crash.

Mitigation
Update to version 1.7.1.

Vulnerable software versions

Unit: 0.3 - 1.7

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External links
http://hg.nginx.org/unit/file/tip/CHANGES
http://mailman.nginx.org/pipermail/unit/2019-February/000113.html
http://unit.nginx.org/CHANGES.txt

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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.