GNU Emacs up to 29.2 Inline MIME Remote Code Execution

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 critical has been found in GNU Emacs up to 29.2. This vulnerability affects unknown code of the component Inline MIME Handler. Such manipulation leads to Remote Code Execution. This vulnerability is documented as CVE-2024-30203. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in GNU Emacs up to 29.2. It has been rated as critical. Affected by this issue is an unknown part of the component Inline MIME Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Emacs before 29.3, Gnus treats inline MIME contents as trusted.

The advisory is shared for download at git.savannah.gnu.org. This vulnerability is handled as CVE-2024-30203. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 207747 (AlmaLinux 8 : emacs (ALSA-2024:6987)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 29.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.savannah.gnu.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (207747). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 207747
Nessus Name: AlmaLinux 8 : emacs (ALSA-2024:6987)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Emacs 29.3
Patch: git.savannah.gnu.org

Timelineinfo

03/25/2024 🔍
03/25/2024 +0 days 🔍
03/25/2024 +0 days 🔍
04/13/2025 +384 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: DLA 3801-1
Status: Confirmed

CVE: CVE-2024-30203 (🔍)
GCVE (CVE): GCVE-0-2024-30203
GCVE (VulDB): GCVE-100-257876

Entryinfo

Created: 03/25/2024 15:28
Updated: 04/13/2025 11:07
Changes: 03/25/2024 15:28 (52), 05/04/2024 14:55 (2), 09/29/2024 23:24 (2), 11/07/2024 13:31 (13), 04/13/2025 11:07 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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