Lucene search

RedHatRHSA-2021:5127

HistoryDec 14, 2021 - 4:45 p.m.

(RHSA-2021:5127) Moderate: Openshift Logging security and bug update (5.2.4)

2021-12-1416:45:56

access.redhat.com

log4j-core remote code execution

netty request smuggling

netty-codec vulnerabilities

openshift logging security

bug fix update

cve-2021-44228

cve-2021-21409

cve-2021-37136

cve-2021-37137

cvss score

references section

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

0.973

Percentile

99.9%

JSON

Openshift Logging Security and Bug Fix Release (5.2.4)

Security Fix(es):

log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value (CVE-2021-44228)
netty: Request smuggling via content-length header (CVE-2021-21409)
netty-codec: Bzip2Decoder doesn’t allow setting size restrictions for decompressed data (CVE-2021-37136)
netty-codec: SnappyFrameDecoder doesn’t restrict chunk length and may buffer skippable chunks in an unnecessary way (CVE-2021-37137)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.