Vulnerability Description
Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling application, however it could be as simple as initiating a TLS connection. Anything that would cause the calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been fixed in 17.5.0.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pyopenssl Project | Pyopenssl | < 17.5.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Redhat | Gluster Storage | 3.0 |
| Redhat | Openstack | 13 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html
- https://access.redhat.com/errata/RHSA-2019:0085Third Party Advisory
- https://github.com/pyca/pyopenssl/pull/723PatchThird Party Advisory
- https://usn.ubuntu.com/3813-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html
- https://access.redhat.com/errata/RHSA-2019:0085Third Party Advisory
- https://github.com/pyca/pyopenssl/pull/723PatchThird Party Advisory
- https://usn.ubuntu.com/3813-1/Third Party Advisory
FAQ
What is CVE-2018-1000808?
CVE-2018-1000808 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial...
How severe is CVE-2018-1000808?
CVE-2018-1000808 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-1000808?
Check the references section above for vendor advisories and patch information. Affected products include: Pyopenssl Project Pyopenssl, Canonical Ubuntu Linux, Redhat Gluster Storage, Redhat Openstack, Redhat Enterprise Linux Desktop.