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Amazon Linux AMI: CVE-2017-16944: Security patch for exim (ALAS-2017-932)

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Amazon Linux AMI: CVE-2017-16944: Security patch for exim (ALAS-2017-932)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
11/25/2017
Created
07/25/2018
Added
12/22/2017
Modified
03/02/2020

Description

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.

Solution(s)

  • amazon-linux-upgrade-exim

References

  • ALAS-2017-932
  • DSA-4053
  • CVE-2017-16944
  • USN-3499-1

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