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HistoryDec 21, 2021 - 9:33 p.m.

Security Bulletin: Apache Log4j Vulnerability Afffects IBM Secure Proxy (CVE-2021-45046)

2021-12-2121:33:12
www.ibm.com
150

10 High

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

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.975 High

EPSS

Percentile

100.0%

Summary

An Apache Log4j vulnerability allowing a remote attacker to execute arbitrary code on the system was addressed by IBM Secure Proxy.

Vulnerability Details

CVEID:CVE-2021-45046
**DESCRIPTION:**Apache Log4j could result in remote code execution, caused by an incomplete fix of CVE-2021-44228 in certain non-default configurations. When the logging configuration uses a non-default Pattern Layout with a Context Lookup, an attacker with control over Thread Context Map (MDC) input data can craft malicious input data using a JNDI Lookup pattern to leak sensitive information and remote code execution in some environments and local code execution in all environments.
CVSS Base score: 9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215195 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Sterling Secure Proxy 3.4.3.2
IBM Secure Proxy 6.0.2
IBM Secure Proxy 6.0.3

Remediation/Fixes

Product VRMF iFix Remediation
IBM Secure Proxy 6.0.3 iFix 01 Plus Fix Central - 6030
IBM Secure Proxy 6.0.2 iFix 04 Plus Fix Central - 6020
IBM Sterling Secure Proxy 3.4.3.2 iFix 13 Plus Fix Central - 3432

The fixes above supply Apache Log4j 2.16.0 which remediates both CVE-2021-44228 and CVE-2021-45046. The Fix Central - 6030 link also points to a fix called SSP-log4j-2.16.0-jars-for-CVE-2021-45046 which supplies the jars and instructions to replace them.

Workarounds and Mitigations

None

10 High

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

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.975 High

EPSS

Percentile

100.0%