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Security Bulletin: Improper Restriction of XML External Entity Reference in liquibase prior to 4.8.0 Affects IBM Partner Engagement Manager (CVE-2022-0839)

Security Bulletin


Summary

IBM Sterling Partner Engagement Manager uses Liquibase that is vulnerable to XML external entity processing, caused by improper validation of user-supplied input by the XMLChangeLogSAXParser() function. A remote attacker could exploit this vulnerability to input a malicious XML reference to an external entity to be processed by a weakly configured XML parser. An attacker can use this vulnerability to disclose sensitive information or conduct SSRF attacks.

Vulnerability Details

CVEID:   CVE-2022-0839
DESCRIPTION:   Liquibase is vulnerable to XML external entity processing, caused by improper validation of user-supplied input by the XMLChangeLogSAXParser() function. A remote attacker could exploit this vulnerability to input a malicious XML reference to an external entity to be processed by a weakly configured XML parser. An attacker can use this vulnerability to disclose sensitive information or conduct SSRF attacks.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/221019 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
Partner Engagement Manager2.0

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

22 Sep 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
22 September 2022

Initial Publish date:
22 September 2022

UID

ibm16695935