National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-20969 Detail

Current Description

do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2798
https://access.redhat.com/errata/RHSA-2019:2964
https://access.redhat.com/errata/RHSA-2019:3757
https://access.redhat.com/errata/RHSA-2019:3758
https://access.redhat.com/errata/RHSA-2019:4061
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0 Patch Vendor Advisory
https://github.com/irsl/gnu-patch-vulnerabilities
https://seclists.org/bugtraq/2019/Aug/29 Exploit Mailing List Patch Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.7.6


Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20969
NVD Published Date:
08/16/2019
NVD Last Modified:
09/05/2019