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| Test ID: | 1.3.6.1.4.1.25623.1.1.12.2023.6539.1 |
| Category: | Ubuntu Local Security Checks |
| Title: | Ubuntu: Security Advisory (USN-6539-1) |
| Summary: | The remote host is missing an update for the 'python-cryptography' package(s) announced via the USN-6539-1 advisory. |
| Description: | Summary: The remote host is missing an update for the 'python-cryptography' package(s) announced via the USN-6539-1 advisory. Vulnerability Insight: It was discovered that the python-cryptography Cipher.update_into function would incorrectly accept objects with immutable buffers. This would result in corrupted output, contrary to expectations. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-23931) It was dicovered that python-cryptography incorrectly handled loading certain PKCS7 certificates. A remote attacker could possibly use this issue to cause python-cryptography to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-49083) Affected Software/OS: 'python-cryptography' package(s) on Ubuntu 20.04, Ubuntu 22.04, Ubuntu 23.04, Ubuntu 23.10. Solution: Please install the updated package(s). CVSS Score: 7.8 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C |
| Cross-Ref: |
Common Vulnerability Exposure (CVE) ID: CVE-2023-23931 https://github.com/pyca/cryptography/pull/8230/commits/94a50a9731f35405f0357fa5f3b177d46a726ab3 https://github.com/pyca/cryptography/security/advisories/GHSA-w7pp-m8wf-vj6r Common Vulnerability Exposure (CVE) ID: CVE-2023-49083 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QMNTYMUGFJSDBYBU22FUYBHFRZODRKXV/ https://github.com/pyca/cryptography/commit/f09c261ca10a31fe41b1262306db7f8f1da0e48a https://github.com/pyca/cryptography/pull/9926 https://github.com/pyca/cryptography/security/advisories/GHSA-jfhm-5ghh-2f97 |
| Copyright | Copyright (C) 2023 Greenbone AG |
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