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FreeBSD: VID-791841A3-D484-4878-8909-92EF9CE424F4 (CVE-2018-1000156): patch -- multiple vulnerabilities

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FreeBSD: VID-791841A3-D484-4878-8909-92EF9CE424F4 (CVE-2018-1000156): patch -- multiple vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
04/06/2018
Created
03/19/2019
Added
11/12/2018
Modified
05/07/2019

Description

GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in code execution. This attack appear to be exploitable via a patch file processed via the patch utility. This is similar to FreeBSD's CVE-2015-1418 however although they share a common ancestry the code bases have diverged over time.

Solution(s)

  • freebsd-upgrade-package-patch

References

  • USN-3624-1
  • USN-3624-2
  • CVE-2018-1000156

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