Mutt/NeoMutt Base64 Data memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mutt and NeoMutt. It has been rated as critical. Impacted is an unknown function of the component Base64 Data Handler. This manipulation causes memory corruption. This vulnerability is registered as CVE-2018-14359. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Mutt and NeoMutt (Mail Client Software) (version unknown). Affected by this vulnerability is an unknown function of the component Base64 Data Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. 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. They have a buffer overflow via base64 data.

The bug was discovered 07/16/2018. The weakness was published 07/17/2018 (Website). It is possible to read the advisory at mutt.org. This vulnerability is known as CVE-2018-14359 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. The technical details are unknown and an exploit is not publicly 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 databases at Tenable (111181) and SecurityFocus (BID 104931†). Similar entries are available at VDB-68290, VDB-121545, VDB-121546 and VDB-121547. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 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: USN-3719-1
Status: Confirmed

CVE: CVE-2018-14359 (🔍)
GCVE (CVE): GCVE-0-2018-14359
GCVE (VulDB): GCVE-100-121555

OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 07/18/2018 08:46
Updated: 04/09/2023 14:57
Changes: 07/18/2018 08:46 (74), 03/05/2020 17:54 (4), 04/09/2023 14:57 (5)
Complete: 🔍
Cache ID: 216::103

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

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