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Amazon Linux AMI: CVE-2017-7668: Security patch for httpd24 (ALAS-2017-863)

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Amazon Linux AMI: CVE-2017-7668: Security patch for httpd24 (ALAS-2017-863)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
06/20/2017
Created
07/25/2018
Added
08/04/2017
Modified
10/14/2022

Description

The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value.

Solution(s)

  • amazon-linux-upgrade-httpd24

References

  • ALAS-2017-863
  • DSA-3896
  • CVE-2017-7668
  • USN-3340-1
  • USN-3373-1

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