CVE-2019-11324
High
Description
The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA certificates is different from the OS store of CA certificates, which results in SSL connections succeeding in situations where a verification failure is the correct outcome. This is related to use of the ssl_context, ca_certs, or ca_certs_dir argument.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Python Urllib3
PublishedApr 18, 2019
First seenApr 18, 2019
How to fix
Update
- python urllib31.24.2 or later
- urllib31.24.2 or later
Vendor advisories
- usn.ubuntu.com/3990-1/
- access.redhat.com/errata/RHSA-2019:3590
- access.redhat.com/errata/RHSA-2019:3335
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKGPJLVLVYCL4L4B4G5TIOTVK4BKPG72/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOSA2NT4DUQDBEIWE6O7KKD24XND7TE2/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python urllib3 | v < 1.24.2 | 1.24.2 |
| canonical ubuntu_linux | 16.04, 18.04, 18.10, 19.04 | — |
| urllib3PyPI | v < 1.24.2 | 1.24.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.