IBMB2FCE44624F501314D958E4856653642A780A19EFDC1BC430A290CBD59647968Security Bulletin: UDP source port randomization flaw in IBM DataPower Gateway (CVE-2020-25705)
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
69.4%
Summary
IBM has addressed the CVE
Vulnerability Details
CVEID:CVE-2020-25705
**DESCRIPTION:**Linux Kernel could allow a remote attacker to bypass security restrictions, caused by a flaw in the way reply ICMP packets are limited. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass source port UDP randomization to scan open UDP ports.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191785 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| IBM DataPower Gateway V10CD | 10.0.4.0 - 10.0.4.0SR2 |
| IBM DataPower Gateway 10.0.1 | 10.0.1.0 - 10.0.1.10 |
| IBM DataPower Gateway 2018.4.1 | 2018.4.1.0 - 2018.4.1.23 |
Remediation/Fixes
| Affected product | Fixed in version | APAR |
|---|---|---|
| IBM DataPower Gateway 10.0.1 | 10.0.1.11 | IT42556 |
| IBM DataPower Gateway 2018.4.1 | 2018.4.1.24 | IT42556 |
Customers using IBM DataPower Gateway 10.0.4.0 may upgrade free of charge to version 10.5.0. A fix will also be available in the next security refresh of 10.0.4.0
Workarounds and Mitigations
None
| CPE | Name | Operator | Version |
|---|---|---|---|
| ibm datapower gateway | eq | 2018.4.1 | |
| ibm datapower gateway | eq | 10.0.1 | |
| ibm datapower gateway | eq | 10.0.4 |
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
69.4%