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CVE-2021-3712

Public on 2021-08-24
Modified on 2021-11-04
Description

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.

Severity
Medium
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CVSS v3 Base Score
7.4
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 openssl 2021-10-01 18:00 ALAS-2021-1541
Amazon Linux 2 - Core openssl 2021-10-26 23:29 ALAS2-2021-1721
Amazon Linux 2 - Core openssl11 2021-10-04 20:17 ALAS2-2021-1714
Amazon Linux 2 - Core edk2 2024-03-13 20:26 ALAS2-2024-2502

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD CVSSv2 5.8 AV:N/AC:M/Au:N/C:P/I:N/A:P
NVD CVSSv3 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H