Bug 2033560 (CVE-2021-42550) - CVE-2021-42550 logback: remote code execution through JNDI call from within its configuration file
Summary: CVE-2021-42550 logback: remote code execution through JNDI call from within i...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-42550
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2034274
Blocks: 2033162
TreeView+ depends on / blocked
 
Reported: 2021-12-17 09:22 UTC by msiddiqu
Modified: 2023-03-16 14:33 UTC (History)
39 users (show)

Fixed In Version: logback-classic-1.2.9
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the logback package. When using a specially-crafted configuration, this issue could allow a remote authenticated attacker to execute arbitrary code loaded from LDAP servers.
Clone Of:
Environment:
Last Closed: 2022-03-29 16:02:10 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:1108 0 None None None 2022-03-29 13:00:47 UTC
Red Hat Product Errata RHSA-2022:1110 0 None None None 2022-03-29 13:16:53 UTC
Red Hat Product Errata RHSA-2022:5498 0 None None None 2022-07-05 14:27:26 UTC
Red Hat Product Errata RHSA-2022:5532 0 None None None 2022-07-07 14:21:47 UTC

Description msiddiqu 2021-12-17 09:22:08 UTC 
In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.

https://cve.report/CVE-2021-42550
https://jira.qos.ch/browse/LOGBACK-1591
Comment 1 msiddiqu 2021-12-17 09:24:57 UTC 
References: 
 
https://jira.qos.ch/browse/LOGBACK-1591
Comment 2 Yadnyawalk Tale 2021-12-20 14:44:26 UTC 
Red Hat Satellite does not give write access to the logback.xml nor use scan attribute in `<configuration>` element of the configuration file; thus product is not vulnerable and mentioned exploit is not possible to perform.
Comment 13 errata-xmlrpc 2022-03-29 13:00:43 UTC 
This issue has been addressed in the following products:

  RHPAM 7.12.1

Via RHSA-2022:1108 https://access.redhat.com/errata/RHSA-2022:1108
Comment 14 errata-xmlrpc 2022-03-29 13:16:49 UTC 
This issue has been addressed in the following products:

  RHDM 7.12.1

Via RHSA-2022:1110 https://access.redhat.com/errata/RHSA-2022:1110
Comment 15 Product Security DevOps Team 2022-03-29 16:02:06 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-42550
Comment 16 errata-xmlrpc 2022-07-05 14:27:22 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.11 for RHEL 7
  Red Hat Satellite 6.11 for RHEL 8

Via RHSA-2022:5498 https://access.redhat.com/errata/RHSA-2022:5498
Comment 17 errata-xmlrpc 2022-07-07 14:21:43 UTC 
This issue has been addressed in the following products:

  Red Hat Fuse 7.11

Via RHSA-2022:5532 https://access.redhat.com/errata/RHSA-2022:5532
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