ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer     dereference) if echo-message is not enabled and there is no network. (CVE-2020-13775)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer
    dereference) if echo-message is not enabled and there is no network. (CVE-2020-13775)

Update to 1.8.1 Fix CVE-2020-13775 possible crash/NULL pointer dereference

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Mitre reports :

ZNC 1.8.0 up to 1.8.1-rc1 allows attackers to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.

ID	Name	Product	Family	Severity
257587	Linux Distros Unpatched Vulnerability : CVE-2020-13775	Nessus	Misc.	medium
426409	Alpine: multiple znc packages: security update to 1.8.1-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
426409	Alpine: multiple znc packages: security update to 1.8.1-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
400412	Alpine: multiple znc packages: security update to 1.8.0-r0 (deprecated)	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
400412	Alpine: multiple znc packages: security update to 1.8.0-r0 (deprecated)	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
137924	Fedora 31 : znc (2020-12237dbae2)	Nessus	Fedora Local Security Checks	medium
137920	Fedora 32 : znc (2020-0091083d6d)	Nessus	Fedora Local Security Checks	medium
137342	FreeBSD : znc -- Authenticated users can trigger an application crash (10a24ce0-ab68-11ea-b9b8-641c67a117d8)	Nessus	FreeBSD Local Security Checks	medium

Detections

Analytics

CVE-2020-13775

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium

medium

medium