IBME4B907FE5279D8C6CE8330CC79305C67649550BA06CF29D70ABB593E6074803DSecurity Bulletin: IBM Integration Bus and IBM App Connect Enterprise v11 are affected by vulnerabilities in Node.js (CVE-2021-3450, CVE-2021-3449)
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
64.6%
Summary
IBM Integration Bus & IBM App Connect Enterprise V11 ship with Node.js for which vulnerabilities were reported and have been addressed. Vulnerability details are listed below.
Vulnerability Details
CVEID:CVE-2021-3450
**DESCRIPTION:**OpenSSL could allow a remote attacker to bypass security restrictions, caused by a a missing check in the validation logic of X.509 certificate chains by the X509_V_FLAG_X509_STRICT flag. By using any valid certificate or certificate chain to sign a specially crafted certificate, an attacker could bypass the check that non-CA certificates must not be able to issue other certificates and override the default purpose.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198754 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)
CVEID:CVE-2021-3449
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in signature_algorithms processing. By sending a specially crafted renegotiation ClientHello message from a client, a remote attacker could exploit this vulnerability to cause the TLS server to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
IBM Integration Bus V10.0.0 - V10.0.0.23 (Linux x86-64 and Windows x86-64 only)
IBM App connect Enterprise V11 , V11.0.0.0 - V11.0.0.12
Remediation/Fixes
Product
|
VRMF
| APAR|
Remediation / Fix
—|—|—|—
IBM App Connect Enterprise| V11.0.0.0-V11.0.0.12| IT36998|
The APAR is available in fix pack 11.0.0.13
IBM App Connect Enterprise Version V11-Fix Pack 11.0.0.13
IBM Integration Bus | V10.0.0.0 - V10.0.0.23| IT36322|
Interim fix for APAR IT36322 is available from
Workarounds and Mitigations
None
Related
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
64.6%