CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

A vulnerability has been found in Mutt and NeoMutt (Mail Client Software) (affected version unknown) and classified as critical. Affected by this vulnerability is an unknown functionality of the file imap/util.c. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. imap_quote_string in imap/util.c has an integer underflow.

The bug was discovered 07/16/2018. The weakness was shared 07/17/2018 (Website). The advisory is shared at mutt.org. This vulnerability is known as CVE-2018-14353 since 07/17/2018. The exploitation appears to be easy. 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 was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111181 (FreeBSD : mutt/neomutt -- multiple vulnerabilities (fe12ef83-8b47-11e8-96cc-001a4a7ec6be)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171408 (OpenSUSE Security Update for mutt (openSUSE-SU-2018:2212-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111181).

Productinfo

Type

• Mail Client Software

Name

• Mutt
• NeoMutt

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 111181
Nessus Name: FreeBSD : mutt/neomutt -- multiple vulnerabilities (fe12ef83-8b47-11e8-96cc-001a4a7ec6be)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

07/13/2018 🔍
07/16/2018 +3 days 🔍
07/17/2018 +0 days 🔍
07/17/2018 +0 days 🔍
07/17/2018 +0 days 🔍
07/18/2018 +1 days 🔍
07/19/2018 +1 days 🔍
07/20/2018 +1 days 🔍
04/09/2023 +1724 days 🔍

Sourcesinfo

Advisory: 65d64a5b60a4a3883f2cd799d92c6091d8854f23
Status: Confirmed

CVE: CVE-2018-14353 (🔍)
OVAL: 🔍

SecurityFocus: 104931 - Mutt and NeoMutt CVE-2018-14350 Stack Based Buffer Overflow Vulnerability

Entryinfo

Created: 07/18/2018 08:43
Updated: 04/09/2023 14:32
Changes: 07/18/2018 08:43 (74), 03/05/2020 17:19 (4), 04/09/2023 14:31 (5), 04/09/2023 14:32 (1)
Complete: 🔍
Cache ID: 18:7CA:103

Discussion

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