QID 353205

Date Published: 2022-04-08

QID 353205: Amazon Linux Security Advisory for libgcrypt : ALAS-2022-1578

A side-channel attack flaw was found in the way libgcrypt implemented elgamal encryption.
This flaw allows an attacker to decrypt parts of ciphertext encrypted using elgamal, for example, when using openpgp.
The highest threat from this vulnerability is to confidentiality. (
( CVE-2021-33560)



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.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
  • Solution
    Please refer to Amazon advisory: ALAS-2022-1578 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353205

    Software Advisories
    Advisory ID Software Component Link
    ALAS-2022-1578 Amazon Linux URL Logo alas.aws.amazon.com/ALAS-2022-1578.html