QID 352846

Date Published: 2021-10-06

QID 352846: Amazon Linux Security Advisory for Open Secure Sockets Layer (OpenSSL): ALAS-2021-1541

It was found that openssl assumed asn.1 strings to be nul terminated.
A malicious actor may be able to force an application into calling openssl function with a specially crafted, non-nul terminated string to deliberately hit this bug, which may result in a crash of the application, causing a denial of service attack, or possibly, memory disclosure.
The highest threat from this vulnerability is to data confidentiality and system availability. (
( CVE-2021-3712)

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

CVSS V3 rated as High - 7.4 severity.

CVSS V2 rated as Medium - 5.8 severity.

Solution

Please refer to Amazon advisory: ALAS-2021-1541 for affected packages and patching details, or update with your package manager.

Vendor References

ALAS-2021-1541 - alas.aws.amazon.com/ALAS-2021-1541.html

CVEs related to QID 352846

CVE-2021-3712 |

Software Advisories

Advisory ID	Software	Component	Link
ALAS-2021-1541	Amazon Linux		alas.aws.amazon.com/ALAS-2021-1541.html

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