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veracodeVeracode Vulnerability DatabaseVERACODE:33337
HistoryDec 15, 2021 - 12:30 a.m.

Denial Of Service (DoS)

2021-12-1500:30:50
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
71

9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

5.1 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

JSON

log4j-core is vulnerable to denial of service (DoS). The vulnerability exists because previous mitigation for CVE-2021-44228 is incomplete in certain non-default configurations. An attacker can send a malicious Thread Context Map (MDC) input data in JNDI Lookup pattern using a non-default Pattern Layout in logging configuration with either a Context Lookup (for example, $${ctx:loginId}) or a Thread Context Map pattern (%X, %mdc, or %MDC), causing denial of service using JNDI Lookup pattern. This is a different vulnerability which cannot be fixed using previously suggested configuration such as to set the system property log4j2.noFormatMsgLookup to true.

References

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9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

5.1 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

JSON
Related for VERACODE:33337
ibm99suse2thn3nessus18githubexploit8vmware10cve2redhatcve1amazon5prion3checkpoint_advisories1talosblog2fortinet1redhat5nuclei1securelist2threatpost2intel1typo31mssecure1kitploit2debiancve1ubuntu1osv4malwarebytes1mmpc1rapid7blog1impervablog1cisa_kev1mageia1github2freebsd1f51huawei1attackerkb3ubuntucve1debian1qualysblog2symantec1avleonov1fedora2ics1