CVE-2024-49393: mutt Signature Bypass (CVSS 6.5)

Description

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.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Weakness Type (CWE)

CWE-347 CWE-347

Affected Products

Vendor	Product	Versions
mutt	mutt	All
neomutt	neomutt	All
redhat	enterprise_linux	All
redhat	enterprise_linux	All

References

Other References

https://access.redhat.com/security/cve/CVE-2024-49393 https://bugzilla.redhat.com/show_bug.cgi?id=2325317

Frequently Asked Questions

What is CVE-2024-49393? +

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-49393? +

CVE-2024-49393 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-49393? +

CVE-2024-49393 affects products from mutt, neomutt, redhat, specifically: enterprise_linux, mutt, neomutt. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-49393? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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