IBM156A423D91231641B7B06703B06D394BB31F565A2A6E565DA370AE1DFE2E3F38Security Bulletin: Potential DoS in IBM DataPower Gateway
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.003 Low
EPSS
Percentile
64.6%
Summary
IBM has addressed the applicable CVE.
Vulnerability Details
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
| Affected Product(s) | Version(s) |
|---|---|
| IBM DataPower Gateway V10 CD | 10.0.2.0 |
| IBM DataPower Gateway 10.0.1 | 10.0.1.0-10.0.1.3 |
Remediation/Fixes
Affected Product
| Fixed in Version
| APAR
—|—|—
IBM DataPower Gateway V10 CD
| 10.0.3.0
| IT36407
IBM DataPower Gateway 10.0.1
| 10.0.1.4
| IT36407
Workarounds and Mitigations
None
| CPE | Name | Operator | Version |
|---|---|---|---|
| ibm datapower gateway | eq | 10 | |
| ibm datapower gateway | eq | 10 |
Related
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.003 Low
EPSS
Percentile
64.6%