- Vulnerability/
- USN-5328-1
USN-5328-1: OpenSSL vulnerability
First published: Tue Mar 15 2022(Updated: )
Tavis Ormandy discovered that OpenSSL incorrectly parsed certain certificates. A remote attacker could possibly use this issue to cause OpenSSH to stop responding, resulting in a denial of service.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libssl1.1 | <1.1.1l-1ubuntu1.2 | 1.1.1l-1ubuntu1.2 |
| =21.10 | ||
| All of | ||
| ubuntu/libssl1.1 | <1.1.1f-1ubuntu2.12 | 1.1.1f-1ubuntu2.12 |
| =20.04 | ||
| All of | ||
| ubuntu/libssl1.0.0 | <1.0.2n-1ubuntu5.8 | 1.0.2n-1ubuntu5.8 |
| =18.04 | ||
| All of | ||
| ubuntu/libssl1.1 | <1.1.1-1ubuntu2.1~18.04.15 | 1.1.1-1ubuntu2.1~18.04.15 |
| =18.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2022-0778
- https://ubuntu.com/security/notices/USN-5328-2
- https://ubuntu.com/security/notices/USN-6457-1
- https://launchpad.net/ubuntu/+source/openssl/1.1.1l-1ubuntu1.2
- https://launchpad.net/ubuntu/+source/openssl/1.1.1f-1ubuntu2.12
- https://launchpad.net/ubuntu/+source/openssl1.0/1.0.2n-1ubuntu5.8
- https://launchpad.net/ubuntu/+source/openssl/1.1.1-1ubuntu2.1~18.04.15
- https://ubuntu.com/security/notices/USN-5328-1 (Advisory)
Frequently Asked Questions
What is the vulnerability ID of this OpenSSL vulnerability?
The vulnerability ID is CVE-2022-0778.
How can a remote attacker exploit CVE-2022-0778?
A remote attacker could exploit this vulnerability by using specially crafted certificates to cause OpenSSH to stop responding, resulting in a denial of service.
Which versions of libssl1.1 are affected by this vulnerability?
The affected versions are libssl1.1 versions 1.1.1l-1ubuntu1.2, 1.1.1f-1ubuntu2.12, and 1.1.1-1ubuntu2.1~18.04.15.
Which versions of libssl1.0.0 are affected by this vulnerability?
The affected version is libssl1.0.0 version 1.0.2n-1ubuntu5.8.
How can I fix the OpenSSL vulnerability?
To fix the vulnerability, you should update libssl1.1 to the recommended versions: 1.1.1l-1ubuntu1.2, 1.1.1f-1ubuntu2.12, or 1.1.1-1ubuntu2.1~18.04.15. Additionally, update libssl1.0.0 to version 1.0.2n-1ubuntu5.8.
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