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CVE-2019-13638

Public on 2019-07-26
Modified on 2019-11-07
Description

A flaw was found in GNU patch through version 2.7.6. An ed-style diff payload patch file with shell metacharacters can be used to inject OS shell commands into a system. The ed editor does not need to be present on the vulnerable system for this attack to function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Severity
Important
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CVSS v3 Base Score
7.8
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 patch 2019-10-18 23:22 ALAS-2019-1312
Amazon Linux 2 - Core patch 2019-10-21 18:01 ALAS2-2019-1317

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C
NVD CVSSv3 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H