IBMADEFCC4101928ADB48F58FCD56BC2D2FF7D068FDFB354AEC71098B660522E99DSecurity Bulletin: Protobuf as used by IBM QRadar SIEM is vulnerable to denial of service (CVE-2021-22569)
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
38.3%
Summary
Protobuf as used by IBM QRadar SIEM is vulnerable to denial of service. IBM QRadar SIEM has addressed the applicable vulnerability.
Vulnerability Details
CVEID:CVE-2021-22569
**DESCRIPTION:**Google Protocol Buffer (protobuf-java) is vulnerable to a denial of service, caused by an issue with allow interleaving of com.google.protobuf.UnknownFieldSet fields. By persuading a victim to open a specially-crafted content, a remote attacker could exploit this vulnerability to cause a timeout in ProtobufFuzzer function, and results in a denial of service condition.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216851 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| IBM QRadar SIEM | All AmazonWebServices versions before 7.5.0-QRADAR-PROTOCOL-AmazonWebServices-7.5-20230419193502.noarch.rpm |
| IBM QRadar SIEM | All AmazonWebServices versions before 7.4.0-QRADAR-PROTOCOL-AmazonWebServices-7.4-20230419193457.noarch.rpm |
Remediation/Fixes
| Product | Version | Remediation/First Fix |
|---|---|---|
| IBM QRadar SIEM | 7.5.0 | 7.5.0-QRADAR-PROTOCOL-AmazonWebServices-7.5-20230419193502.noarch.rpm |
| IBM QRadar SIEM | 7.4.0 | 7.4.0-QRADAR-PROTOCOL-AmazonWebServices-7.4-20230419193457.noarch.rpm |
Workarounds and Mitigations
None
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| ibm security qradar siem | eq | 7.5 |
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
38.3%