Security Bulletin
Summary
CKEditor is used by IBM Sterling B2B Integrator as part of B2B API. Multiple CKEditor vulnerabilities have been addressed.
Vulnerability Details
CVEID: CVE-2021-26272
DESCRIPTION: CKEditor is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the Autolink plugin. By persuading a victim to paste specially-crafted URL-like text, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195667 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-2021-26271
DESCRIPTION: CKEditor is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the Advanced Tab for Dialogs plugin. By persuading a victim to paste specially-crafted text into the Styles input of specific dialogs, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195665 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-2020-9281
DESCRIPTION: CKEditor is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the HTML Data Processor. A remote attacker could exploit this vulnerability using a specially crafted protected comment to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/177488 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
CVEID: CVE-2018-17960
DESCRIPTION: CKEditor is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a source-mode paste to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153156 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Affected Products and Versions
| Affected Product(s) | APAR(s) | Version(s) |
| IBM Sterling B2B Integrator | IT40545 | 6.0.0.0 - 6.0.3.5 |
| IBM Sterling B2B Integrator | IT40545 | 6.1.0.0 - 6.1.1.0 |
Remediation/Fixes
| Product(s) | Version(s) | Remediation/Fix |
| IBM Sterling B2B Integrator | 6.0.0.0 - 6.0.3.5 | Apply IBM Sterling B2B Integrator version 6.0.3.6 on Fix Central |
| IBM Sterling B2B Integrator | 6.1.0.0 - 6.1.1.0 | Apply IBM Sterling B2B Integrator version 6.1.1.1 on Fix Central |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
06 Apr 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:
13 May 2022
Initial Publish date:
06 April 2022
UID
ibm16570971