USN-4662-1: OpenSSL vulnerability
David Benjamin discovered that OpenSSL incorrectly handled comparing certificates containing a EDIPartyName name type. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/libssl1.1to a version that resolves this vulnerability.Fixed in 1.1.1f-1ubuntu4.1 - Upgrade
Upgrade
ubuntu/libssl1.1to a version that resolves this vulnerability.Fixed in 1.1.1f-1ubuntu2.1 - Upgrade
Upgrade
ubuntu/libssl1.0.0to a version that resolves this vulnerability.Fixed in 1.0.2n-1ubuntu5.5 - Upgrade
Upgrade
ubuntu/libssl1.1to a version that resolves this vulnerability.Fixed in 1.1.1-1ubuntu2.1~18.04.7 - Upgrade
Upgrade
ubuntu/libssl1.0.0to a version that resolves this vulnerability.Fixed in 1.0.2g-1ubuntu4.18
Event History
Frequently Asked Questions
What is the severity of USN-4662-1?
The USN-4662-1 vulnerability has a severity rating that suggests it could lead to a denial of service if exploited.
How do I fix USN-4662-1?
To fix USN-4662-1, update OpenSSL to the recommended version for your specific Ubuntu release.
What specific versions of Ubuntu are affected by USN-4662-1?
USN-4662-1 affects Ubuntu versions 16.04, 18.04, 20.04, and 20.10.
Can USN-4662-1 allow remote code execution?
No, USN-4662-1 does not allow remote code execution; it primarily leads to a denial of service.
How can I identify if my system is vulnerable to USN-4662-1?
You can identify if your system is vulnerable to USN-4662-1 by checking the version of the libssl package installed on your Ubuntu system.