Ubuntu update for ZNC



Published: 2019-04-18
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-9917
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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znc (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU18315

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9917

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted message in incorrect encoding and cause the application to crash.

Mitigation

Update the affected packages.

Ubuntu 18.10
znc - 1.7.1-2ubuntu0.1

Vulnerable software versions

znc (Ubuntu package): 1.7.0-1 - 1.7.2-1

External links

http://usn.ubuntu.com/3950-1/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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