CVE-2020-13775: Null Pointer Dereference
First published: Tue Jun 02 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Znc Znc | =1.8.0 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8
- https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/
Frequently Asked Questions
What is CVE-2020-13775?
CVE-2020-13775 is a vulnerability in ZNC 1.8.0 up to 1.8.1-rc1 that allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.
What is the severity of CVE-2020-13775?
The severity of CVE-2020-13775 is medium with a severity value of 6.5.
How can authenticated users exploit CVE-2020-13775?
Authenticated users can exploit CVE-2020-13775 by triggering an application crash if echo-message is not enabled and there is no network.
How can I fix CVE-2020-13775?
To fix CVE-2020-13775, update to ZNC version 1.8.1 or later.
Where can I find more information about CVE-2020-13775?
You can find more information about CVE-2020-13775 at the following references: [Reference 1](https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8), [Reference 2](https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001), [Reference 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/)
- collector/nvd-index
- agent/tags
- agent/event
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/description
- agent/type
- agent/last-modified-date
- agent/remedy
- agent/first-publish-date
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- vendor/znc
- canonical/znc znc
- version/znc znc/1.8.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32