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Amazon Linux AMI: CVE-2018-1000878: Security patch for libarchive (ALAS-2019-1308)

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Amazon Linux AMI: CVE-2018-1000878: Security patch for libarchive (ALAS-2019-1308)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
12/20/2018
Created
10/12/2019
Added
10/11/2019
Modified
03/02/2020

Description

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

Solution(s)

  • amazon-linux-upgrade-libarchive

References

  • ALAS-2019-1308
  • USN-3859-1
  • DSA-4360
  • CVE-2018-1000878

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