CVE-2019-11324

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.38% Top 25%
Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/urllib3/urllib3/compare/a6ec68a...1efadf4 third party advisory patch
http://www.openwall.com/lists/oss-security/2019/04/19/1 third party advisory mailing list
https://usn.ubuntu.com/3990-1/ third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.html vendor advisory
https://access.redhat.com/errata/RHSA-2019:3590 vendor advisory
https://access.redhat.com/errata/RHSA-2019:3335 vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKGPJLVLVYCL4L4B4G5TIOTVK4BKPG72/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOSA2NT4DUQDBEIWE6O7KKD24XND7TE2/ vendor advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html mailing list
https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html mailing list

Frequently Asked Questions

What is the severity of CVE-2019-11324?
CVE-2019-11324 has been scored as a high severity vulnerability.
How to fix CVE-2019-11324?
To fix CVE-2019-11324, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11324 being actively exploited in the wild?
It is possible that CVE-2019-11324 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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