QID 198310

Date Published: 2021-03-26

QID 198310: Ubuntu Security Notification for Openssl Vulnerability (USN-4891-1)

It was discovered that OpenSSL incorrectly handled certain renegotiation ClientHello messages.

A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVSS V3 rated as Medium - 5.9 severity.

CVSS V2 rated as Medium - 4.3 severity.

Solution

Refer to Ubuntu advisory USN-4891-1 for affected packages and patching details, or update with your package manager.

Vendor References

USN-4891-1 - usn.ubuntu.com/4891-1/

CVEs related to QID 198310

CVE-2021-3449 |

Software Advisories

Advisory ID	Software	Component	Link
USN-4891-1	18.04 (bionic) on src	libssl1.1	launchpad.net/ubuntu/+source/openssl/1.1.1-1ubuntu2.1~18.04.9
USN-4891-1	20.04 (focal) on src	libssl1.1	launchpad.net/ubuntu/+source/openssl/1.1.1f-1ubuntu2.3
USN-4891-1	20.10 (groovy) on src	libssl1.1	launchpad.net/ubuntu/+source/openssl/1.1.1f-1ubuntu4.3

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