msmtp 1.8.2 Certificate Validation certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in msmtp 1.8.2 and classified as critical. Affected by this issue is some unknown functionality of the component Certificate Validation Handler. The manipulation results in certificate validation. This vulnerability is known as CVE-2019-8337. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in msmtp 1.8.2. Affected is an unknown code of the component Certificate Validation Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In msmtp 1.8.2, when tls_trust_file has its default configuration, certificate-verification results are not properly checked.

The bug was discovered 02/11/2019. The weakness was published 02/13/2019. This vulnerability is traded as CVE-2019-8337 since 02/13/2019. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

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: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Certificate validation
CWE: CWE-295 / CWE-287
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.marlam.de

Timelineinfo

02/11/2019 🔍
02/13/2019 +2 days 🔍
02/13/2019 +0 days 🔍
02/14/2019 +1 days 🔍
07/10/2023 +1607 days 🔍

Sourcesinfo

Advisory: b51a6c6b8b83bf0913cc52fa2ff64307e987a5b8
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-8337 (🔍)
GCVE (CVE): GCVE-0-2019-8337
GCVE (VulDB): GCVE-100-130890

Entryinfo

Created: 02/14/2019 11:37
Updated: 07/10/2023 12:44
Changes: 02/14/2019 11:37 (52), 05/10/2020 16:29 (3), 07/10/2023 12:44 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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