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Amazon Linux AMI: CVE-2019-11727: Security patch for nspr, nss-softokn, nss-util (ALAS-2021-1522)

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Amazon Linux AMI: CVE-2019-11727: Security patch for nspr, nss-softokn, nss-util (ALAS-2021-1522)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
07/09/2019
Created
07/15/2021
Added
07/13/2021
Modified
07/13/2021

Description

A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68.

Solution(s)

  • amazon-linux-upgrade--nss-softokn
  • amazon-linux-upgrade--nss-util
  • amazon-linux-upgrade-nspr

References

  • ALAS-2021-1522
  • CVE-2019-11727
  • USN-4054-1
  • USN-4054-2
  • USN-4060-1

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