pyca/pyopenssl · Security
PyOpenSSL Use-After-Free vulnerability
- GHSA ID
- GHSA-p28m-34f6-967q
- CVE ID
- CVE-2018-1000807
- Severity
- high
- Published
- Updated
- CVSS
- 8.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 8.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
It was discovered that pyOpenSSL incorrectly handled memory when handling X509 objects. A remote attacker could use this issue to cause pyOpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code. This attack appears 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.
CWEs
- CWE-416 · Use After Free
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000807 ↗
- https://github.com/pyca/pyopenssl/pull/723 ↗
- https://access.redhat.com/errata/RHSA-2019:0085 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html ↗
- https://github.com/pyca/pyopenssl/commit/e73818600065821d588af475b024f4eb518c3509 ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/pyopenssl/PYSEC-2018-23.yaml ↗
- https://usn.ubuntu.com/3813-1 ↗
- https://github.com/advisories/GHSA-p28m-34f6-967q ↗