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CVE-2018-1000807

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2019-0085-01
Posted Jan 17, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0085-01 - The pyOpenSSL packages provide a high-level wrapper around a subset of the OpenSSL library for the Python programming language. Issues addressed include an use-after-free vulnerability.

tags | advisory, python
systems | linux, redhat
advisories | CVE-2018-1000807, CVE-2018-1000808
SHA-256 | 91641b5fb25e7abbac9e4446fed551ad7f23f78b51824bf4ad24f00327749515
Ubuntu Security Notice USN-3813-1
Posted Nov 8, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3813-1 - 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. It was discovered that pyOpenSSL incorrectly handled memory when performing operations on a PKCS #12 store. A remote attacker could possibly use this issue to cause pyOpenSSL to consume resources, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-1000807, CVE-2018-1000808
SHA-256 | 313db7b64ed82d0750998f91458e9a3ee0f6496ddb09d3a4f8dcfbe5c8c80145
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