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Ubuntu Linux CVE-2019-20079

HIGH
Use After Free (CWE-416)
2019-12-30 cve@mitre.org
7.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 30, 2019 - 01:15 nvd
HIGH 7.8

DescriptionNVD

The autocmd feature in window.c in Vim before 8.1.2136 accesses freed memory.

AnalysisAI

The autocmd feature in window.c in Vim before 8.1.2136 accesses freed memory. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. The autocmd feature in window.c in Vim before 8.1.2136 accesses freed memory. Affected products include: Vim, Canonical Ubuntu Linux. Version information: before 8.1.2136.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

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CVE-2019-20079 vulnerability details – vuln.today

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