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Amazon Linux AMI: CVE-2016-0702: Security patch for openssl (ALAS-2016-661)

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Amazon Linux AMI: CVE-2016-0702: Security patch for openssl (ALAS-2016-661)

Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
03/03/2016
Created
03/19/2019
Added
04/20/2016
Modified
05/07/2019

Description

The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a "CacheBleed" attack.

Solution(s)

  • amazon-linux-upgrade-openssl

References

  • ALAS-2016-661
  • DSA-3500
  • USN-2914-1
  • CVE-2016-0702

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