CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
78.0%
High
Canonical Ubuntu
David Benjamin discovered that OpenSSL incorrectly handled X.400 address processing. A remote attacker could possibly use this issue to read arbitrary memory contents or cause OpenSSL to crash, resulting in a denial of service. (CVE-2023-0286) Corey Bonnell discovered that OpenSSL incorrectly handled X.509 certificate verification. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-4203) Hubert Kario discovered that OpenSSL had a timing based side channel in the OpenSSL RSA Decryption implementation. A remote attacker could possibly use this issue to recover sensitive information. (CVE-2022-4304) Dawei Wang discovered that OpenSSL incorrectly handled parsing certain PEM data. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2022-4450) Octavio Galland and Marcel Böhme discovered that OpenSSL incorrectly handled streaming ASN.1 data. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-0215) Marc Schönefeld discovered that OpenSSL incorrectly handled malformed PKCS7 data. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2023-0216) Kurt Roeckx discovered that OpenSSL incorrectly handled validating certain DSA public keys. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2023-0217) Hubert Kario and Dmitry Belyavsky discovered that OpenSSL incorrectly validated certain signatures. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2023-0401) Update Instructions: Run sudo pro fix USN-5844-1
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libssl1.1 – 1.1.1-1ubuntu2.1~18.04.21 libssl-dev – 1.1.1-1ubuntu2.1~18.04.21 openssl – 1.1.1-1ubuntu2.1~18.04.21 libssl-doc – 1.1.1-1ubuntu2.1~18.04.21 No subscription required
CVEs contained in this USN include: CVE-2023-0215, CVE-2023-0286, CVE-2022-4203, CVE-2022-4304, CVE-2022-4450, CVE-2023-0216, CVE-2023-0217, CVE-2023-0401.
Severity is high unless otherwise noted.
* 1.x versions prior to 1.174
* All versions prior to 0.351.0
* All versions prior to 0.62.0
* 1.x versions prior to 1.83
* All versions prior to 26.4.0, or later versions with Jammy Stemcells prior to 1.83 or Bionic Stemcells prior to 1.174
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
* Upgrade 1.x versions to 1.174 or greater
* Upgrade all versions to 0.351.0 or greater
* Upgrade all versions to 0.62.0 or greater
* Upgrade 1.x versions to 1.83 or greater
* Upgrade all versions to 26.4.0 or greater, upgrade Jammy Stemcells to 1.83 or greater, and upgrade Bionic Stemcells to 1.174 or greater
2023-02-24: Initial vulnerability report published.
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
78.0%