VULNERABILITY

Amazon Linux AMI: CVE-2017-1000099: Security patch for curl (ALAS-2017-889)

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Amazon Linux AMI: CVE-2017-1000099: Security patch for curl (ALAS-2017-889)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
08/31/2017
Created
07/25/2018
Added
12/20/2017
Modified
02/02/2018

Description

When asking to get a file from a file:// URL, libcurl provides a feature that outputs meta-data about the file using HTTP-like headers. The code doing this would send the wrong buffer to the user (stdout or the application's provide callback), which could lead to other private data from the heap to get inadvertently displayed. The wrong buffer was an uninitialized memory area allocated on the heap and if it turned out to not contain any zero byte, it would continue and display the data following that buffer in memory.

Solution(s)

  • amazon-linux-upgrade-curl

References

  • ALAS-2017-889
  • 100281
  • 1039119
  • GLSA-201709-14
  • CVE-2017-1000099

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