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CVE-2018-20969

Published: Aug 16, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-78
NVD MITRE
7.8CVSSHIGH
EPSS Score
2.7%
Top 16.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-78

Affected Products

n/an/a
patchgnuOSS Libraries
gnuoss-projectUSOSS Librariesaka g. nu

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Execution
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References

https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0
git.savannah.gnu.org
https://seclists.org/bugtraq/2019/Aug/29
seclists.org
http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html
packetstormsecurity.com
and 6 more references View all →

Timeline

Published
Aug 16, 2019
Last Updated
Nov 21, 2024

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