Deserialization of Untrusted Data Affecting logback package, versions <1:1.2.8-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.56% (88th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LOGBACK-2321376
  • published17 Dec 2021
  • disclosed16 Dec 2021

Introduced: 16 Dec 2021

CVE-2021-42550  (opens in a new tab)
CWE-502  (opens in a new tab)

How to fix?

Upgrade Debian:unstable logback to version 1:1.2.8-1 or higher.

NVD Description

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

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.

CVSS Scores

version 3.1