Home/CVE/Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerabilit
CVE

CVE-2018-1000807

Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerabilit

Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerability in X509 object handling that can result in Use after free can lead to possible denial of service or remote code execution.. This attack appear to be exploitable via Depends on the calling application and if it retains a reference to the memory.. This vulnerability appears to have been fixed in 17.5.0.

HIGH · CVSS 8.1 EPSS 0.02881
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

6
pyopenssl< 17.5.0
canonical ubuntu linuxall versions
redhat openstackall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI pyopenssl HIGH fixed in 17.5.0
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Oct 2018 · 03:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

6
suse-csafSUSE-SU-2024:3749-1
suse-csafSUSE-SU-2024:1626-1
suse-csafsuse-ru-2019_1161-1
suse-csafSUSE-SU-2018:4063-1
usnUSN-3813-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.htmlMailing ListThird Party Advisory
https://github.com/pyca/pyopenssl/commit/e73818600065821d588af475b024f4eb518c3509
https://github.com/pyca/pyopenssl/pull/723PatchThird Party Advisory
https://usn.ubuntu.com/3813-1/Third Party Advisory
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