NeoMutt Header Field To/Cc data authenticity

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in NeoMutt. This affects an unknown part of the component Header Field Handler. This manipulation of the argument To/Cc causes data authenticity. This vulnerability is registered as CVE-2024-49393. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in NeoMutt (the affected version is unknown) and classified as problematic. Affected by this vulnerability is an unknown code of the component Header Field Handler. The manipulation of the argument To/Cc with an unknown input leads to a data authenticity vulnerability. The CWE definition for the vulnerability is CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. As an impact it is known to affect integrity. The summary by CVE is:

In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.

The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2024-49393 since 10/14/2024. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 214221 (Ubuntu 18.04 LTS / 20.04 LTS : NeoMutt vulnerabilities (USN-7204-1)), 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 databases at Tenable (214221) and EUVD (EUVD-2024-43420). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214221
Nessus Name: Ubuntu 18.04 LTS / 20.04 LTS : NeoMutt vulnerabilities (USN-7204-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/14/2024 🔍
11/12/2024 +29 days 🔍
11/12/2024 +0 days 🔍
07/16/2025 +246 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2024-49393 (🔍)
GCVE (CVE): GCVE-0-2024-49393
GCVE (VulDB): GCVE-100-283945
EUVD: 🔍

Entryinfo

Created: 11/12/2024 02:37
Updated: 07/16/2025 14:39
Changes: 11/12/2024 02:37 (51), 11/12/2024 04:32 (12), 11/12/2024 11:41 (1), 01/16/2025 03:04 (2), 07/05/2025 12:07 (1), 07/16/2025 14:39 (13)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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