Ubuntu update for ZNC



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
 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

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

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

CPE2.3 External links

https://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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