CVE-2023-6378

Logback "receiver" DOS vulnerability

Description

A serialization vulnerability in logback receiver component part of logback version 1.4.11 allows an attacker to mount a Denial-Of-Service attack by sending poisoned data.

Remediation

Solution:

  • Only environments where logback receiver component is deployed may be vulnerable. In case a logback receiver is deployed, restricting connections to trustworthy clients or upgrading to logback version 1.4.12 or later will remedy the vulnerability.

Workaround:

  • Only environments where logback receiver is deployed are vulnerable.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.65%
Affected: QOS.CH Sarl logback
Published at:
Updated at:

References

Link Tags
https://logback.qos.ch/news.html#1.3.12 release notes
https://security.netapp.com/advisory/ntap-20241129-0012/

Frequently Asked Questions

What is the severity of CVE-2023-6378?
CVE-2023-6378 has been scored as a high severity vulnerability.
How to fix CVE-2023-6378?
To fix CVE-2023-6378: Only environments where logback receiver component is deployed may be vulnerable. In case a logback receiver is deployed, restricting connections to trustworthy clients or upgrading to logback version 1.4.12 or later will remedy the vulnerability.
Is CVE-2023-6378 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-6378 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6378?
CVE-2023-6378 affects QOS.CH Sarl logback.
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