GNU grub2 Dump Command trust boundary violation

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in GNU grub2. This affects an unknown function of the component Dump Command Handler. This manipulation causes Local Privilege Escalation. This vulnerability is tracked as CVE-2025-1118. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in GNU grub2 (affected version unknown). Affected by this vulnerability is an unknown functionality of the component Dump Command Handler. The manipulation with an unknown input leads to a local privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-501. The product mixes trusted and untrusted data in the same data structure or structured message. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in grub2. Grub's dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.

It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2025-1118 since 02/07/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 216508 (SUSE SLES15 Security Update : grub2 (SUSE-SU-2025:0588-1)), 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 (216508). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Trust boundary violation
CWE: CWE-501
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 216508
Nessus Name: SUSE SLES15 Security Update : grub2 (SUSE-SU-2025:0588-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/07/2025 🔍
02/19/2025 +12 days 🔍
02/19/2025 +0 days 🔍
09/18/2025 +211 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2025-1118 (🔍)
GCVE (CVE): GCVE-0-2025-1118
GCVE (VulDB): GCVE-100-296227

Entryinfo

Created: 02/19/2025 06:54
Updated: 09/18/2025 11:42
Changes: 02/19/2025 06:54 (48), 02/20/2025 12:59 (2), 09/18/2025 11:42 (14)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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