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Amazon Linux AMI: CVE-2018-1000001: Security patch for glibc (ALAS-2018-1017)

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Amazon Linux AMI: CVE-2018-1000001: Security patch for glibc (ALAS-2018-1017)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
01/31/2018
Created
07/25/2018
Added
05/11/2018
Modified
10/14/2022

Description

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.

Solution(s)

  • amazon-linux-upgrade-glibc

References

  • ALAS-2018-1017
  • USN-3534-1
  • USN-3536-1
  • CVE-2018-1000001

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