CVEvulnerability
CVE-2018-1000808
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-10-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-404
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.
Affected configurations
• 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
Weakness · CWE (1)
- CWE-404 Improper Resource Shutdown or Release weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html lists.opensuse.org
- https://access.redhat.com/errata/RHSA-2019:0085 Third Party Advisory
- https://github.com/pyca/pyopenssl/pull/723 Patch, Third Party Advisory
- https://usn.ubuntu.com/3813-1/ Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html lists.opensuse.org
- https://access.redhat.com/errata/RHSA-2019:0085 Third Party Advisory
- https://github.com/pyca/pyopenssl/pull/723 Patch, Third Party Advisory
- https://usn.ubuntu.com/3813-1/ Third Party Advisory