grub2 grub2-set-bootflag privilege defined with unsafe actions

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in grub2. Affected by this vulnerability is an unknown functionality of the component grub2-set-bootflag. The manipulation results in privilege defined with unsafe actions. This vulnerability is known as CVE-2019-14865. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in grub2 (the affected version unknown). Affected is an unknown part of the component grub2-set-bootflag. The manipulation with an unknown input leads to a privilege defined with unsafe actions vulnerability. CWE is classifying the issue as CWE-267. A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even when it is assigned to the correct entity. This is going to have an impact on availability. CVE summarizes:

A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.

The weakness was published 11/29/2019 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2019-14865 since 08/10/2019. The attack needs to be approached locally. A authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 212124 (Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.0)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (212124). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privilege defined with unsafe actions
CWE: CWE-267 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 212124
Nessus Name: Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.0)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/10/2019 🔍
11/29/2019 +111 days 🔍
12/03/2019 +4 days 🔍
04/29/2025 +1974 days 🔍

Sourcesinfo

Advisory: RHSA-2020:0335
Status: Not defined

CVE: CVE-2019-14865 (🔍)
GCVE (CVE): GCVE-0-2019-14865
GCVE (VulDB): GCVE-100-146520

Entryinfo

Created: 12/03/2019 16:20
Updated: 04/29/2025 18:07
Changes: 12/03/2019 16:20 (36), 12/03/2019 16:25 (11), 03/05/2024 09:20 (2), 03/05/2024 09:23 (19), 12/06/2024 17:23 (16), 04/29/2025 18:07 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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