IBMB2CF752DFF3B011601B92047B2385142C0B5BC43D63F524444B6D4A034DA8902Security Bulletin: Vulnerabilities in SnakeYAML used by Logstash affects IBM Operations Analytics - Log Analysis (CVE-2022-25857, CVE-2017-18640)
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
EPSS
Percentile
88.5%
Summary
Multiple vulnerabilities in SnakeYAML affects IBM Operations Analytics - Log Analysis. It has been fixed. The vulnerabilities are in the Vulnerability Details section.
Vulnerability Details
CVEID:CVE-2022-25857
**DESCRIPTION:**Java package org.yaml:snakeyam is vulnerable to a denial of service, caused by missing to nested depth limitation for collections. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/234864 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)
CVEID:CVE-2017-18640
**DESCRIPTION:**SnakeYAML is vulnerable to a denial of service, caused by an entity expansion in Alias feature during a load operation. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174331 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| Log Analysis | 1.3.5.3 |
| Log Analysis | 1.3.6.0 |
| Log Analysis | 1.3.6.1 |
| Log Analysis | 1.3.7.0 |
| Log Analysis | 1.3.7.1 |
| Log Analysis | 1.3.7.2 |
Remediation/Fixes
| Version | Fix details |
|---|---|
| IBM Operations Analytics - Log Analysis version 1.3.5.3, 1.3.6.0, 1.3.6.1, 1.3.7.0, 1.3.7.1, 1.3.7.2 | Upgrade to Log Analysis version 1.3.7.2 Interim Fix 3. Download the 1.3.7.2-TIV-IOALA-IF003 and apply fix on Logstash installation. |
Workarounds and Mitigations
None
Affected configurations
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
EPSS
Percentile
88.5%