Free and open-source vulnerability scanner

Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.

Install Now

Available for macOS, Windows, and Linux

App screenshot

Debian: Security Advisory for apache-log4j2 (DSA-5020-1)

Information

Severity

Severity

Critical

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update for the 'apache-log4j2' package(s) announced via the DSA-5020-1 advisory.

Insight

Insight

Chen Zhaojun of Alibaba Cloud Security Team discovered a critical security vulnerability in Apache Log4j, a popular Logging Framework for Java. JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From version 2.15.0, this behavior has been disabled by default. This update also fixes CVE-2020-9488 in the oldstable distribution (buster). 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.

Affected Software

Affected Software

'apache-log4j2' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For the oldstable distribution (buster), this problem has been fixed in version 2.15.0-1~deb10u1. For the stable distribution (bullseye), this problem has been fixed in version 2.15.0-1~deb11u1. We recommend that you upgrade your apache-log4j2 packages.

Common Vulnerabilities and Exposures (CVE)