Security Bulletin
Summary
Denial of Service vulnerability in Urllib3 may affect IBM Spectrum Protect Plus Microsoft® File Systems backup and restore.
Vulnerability Details
CVEID: CVE-2021-33503
DESCRIPTION: urllib3 is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw due to catastrophic backtracking. By sending a specially-crafted URL request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203109 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) |
| IBM Spectrum Protect Plus Microsoft File Systems backup and restore | 10.1.6-10.1.8 |
Remediation/Fixes
| IBM Spectrum Protect Plus Release | First Fixing VRM Level | Platform | Link to Fix |
| 10.1 | 10.1.8.2 | Windows | https://www.ibm.com/support/pages/node/6415111 |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
1 September 2021: 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:
01 September 2021
UID
ibm16484925