Vulnerability identifier: #VU12200

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13733

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: Free Software Foundation

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

The weakness exists in the fmt_entry function in progs/dump_entry.c  due to an illegal address access. A remote attacker can cause the service to crash.

Mitigation
Update to version 6.1.

Vulnerable software versions

ncurses: 6.0

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=1484290

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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.