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Improper Certificate Validation Affecting apache-log4j2 package, versions <2.13.3-1

Severity

 Recommended
0.0
low
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.19% (58th percentile)

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  • Snyk ID SNYK-DEBIANUNSTABLE-APACHELOG4J2-567472
  • published 25 Apr 2020
  • disclosed 27 Apr 2020
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Introduced: 25 Apr 2020

CVE-2020-9488 Open this link in a new tab
CWE-295 Open this link in a new tab

How to fix?

Upgrade Debian:unstable apache-log4j2 to version 2.13.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache-log4j2 package and not the apache-log4j2 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1

References

CVSS Scores

version 3.1
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NVD

Recommended
3.7 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

3.7 low