ALAS-2020-1344


Amazon Linux AMI Security Advisory: ALAS-2020-1344
Advisory Release Date: 2020-02-19 23:20 Pacific
Severity: Low
References: CVE-2019-1563 

Issue Overview:

In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s). (CVE-2019-1563 )


Affected Packages:

openssl


Issue Correction:
Run yum update openssl to update your system.

New Packages:
i686:
    openssl-devel-1.0.2k-16.151.amzn1.i686
    openssl-debuginfo-1.0.2k-16.151.amzn1.i686
    openssl-perl-1.0.2k-16.151.amzn1.i686
    openssl-1.0.2k-16.151.amzn1.i686
    openssl-static-1.0.2k-16.151.amzn1.i686

src:
    openssl-1.0.2k-16.151.amzn1.src

x86_64:
    openssl-debuginfo-1.0.2k-16.151.amzn1.x86_64
    openssl-1.0.2k-16.151.amzn1.x86_64
    openssl-devel-1.0.2k-16.151.amzn1.x86_64
    openssl-static-1.0.2k-16.151.amzn1.x86_64
    openssl-perl-1.0.2k-16.151.amzn1.x86_64