CVE-2023-6481

Logback "receiver" DOS vulnerability CVE-2023-6378 incomplete fix

Published Dec 4, 2023 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
A serialization vulnerability in logback receiver component part of
logback version 1.4.13, 1.3.13 and 1.2.12 allows an attacker to mount a Denial-Of-Service
attack by sending poisoned data.

Remediation

Vendor 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 1.4.14, 1.3.14, 1.2.13 or later will remedy the vulnerability. If you do not need to deploy logback-receiver, then please verify that you do not have any <receiver></receiver> entries in your configuration files.


Vendor Workaround

Logback versions 1.2.13 and later, 1.3.14 and later  or 1.4.14 and later provides fixes. However, please note that these fixes are only effective when deployed under Java 9 or later.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-3212 A serialization vulnerability in logback receiver component part of logback version 1.4.13, 1.3.13 and 1.2.12 allows an attacker to mount a Denial-Of-Service attack by sending poisoned data.
Github GHSA Github GHSA GHSA-gm62-rw4g-vrc4 Logback is vulnerable to an attacker mounting a Denial-Of-Service attack by sending poisoned data
History
Type Values Removed Values Added
First Time appeared Redhat jboss Enterprise Bpms Platform
CPEs cpe:/a:redhat:jboss_enterprise_bpms_platform:7.13
Vendors & Products Redhat jboss Enterprise Bpms Platform
Weaknesses

Sources

Status
PUBLISHED
Assigner
NCSC.ch
Published
Updated
Aug 2, 2024, 8:28 AM
Reserved
Dec 4, 2023, 8:34 AM
Status
Modified
Published
Dec 4, 2023, 9:15 AM
Modified
Jun 17, 2026, 6:50 AM
Severity
Moderate
Public date
Dec 4, 2023, 12:00 AM