Security Bulletin
Summary
A Publicly disclosed vulnerability in Open Source Python affects IBM Tivoli Application Dependency Discovery Manager (CVE-2021-3733)
Vulnerability Details
CVEID: CVE-2021-3733
DESCRIPTION: Python is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the AbstractBasicAuthHandler class in urllib. By persuading a victim to visit a specially-crafted web site, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/213034 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Tivoli Application Dependency Discovery Manager | 7.3.0.3 -7.3.0.9 |
Remediation/Fixes
| Fix | VRMF | APAR | How to acquire fix |
| efix_CVE-2021-3733_FP8201126.zip | 7.3.0.3 -7.3.0.9 | NONE | Download eFix |
Workarounds and Mitigations
The above eFixe(s) for the respective FixPack(s) can be downloaded and applied directly.
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References
Acknowledgement
Change History
14 Feb 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:
18 November 2022
UID
ibm16557178