MailMate up to 1.11.2 Secure Mail input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in MailMate up to 1.11.2. This affects an unknown function of the component Secure Mail Handler. Performing a manipulation results in input validation. This vulnerability was named CVE-2018-15588. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in MailMate up to 1.11.2. This affects an unknown code of the component Secure Mail Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity. The summary by CVE is:

MailMate before 1.11.3 mishandles a suspicious HTML/MIME structure in a signed/encrypted email.

The bug was discovered 01/22/2019. The weakness was presented 02/11/2019 (Website). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2018-15588 since 08/20/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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 20 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.11.3 eliminates this vulnerability.

See VDB-130741, VDB-134133, VDB-135145 and VDB-135166 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Input validation
CWE: CWE-20
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MailMate 1.11.3

Timelineinfo

08/20/2018 🔍
01/22/2019 +155 days 🔍
02/11/2019 +20 days 🔍
02/11/2019 +0 days 🔍
07/09/2023 +1609 days 🔍

Sourcesinfo

Advisory: 152703
Status: Not defined

CVE: CVE-2018-15588 (🔍)
GCVE (CVE): GCVE-0-2018-15588
GCVE (VulDB): GCVE-100-130743
See also: 🔍

Entryinfo

Created: 02/12/2019 00:07
Updated: 07/09/2023 11:05
Changes: 02/12/2019 00:07 (56), 05/09/2020 18:44 (2), 07/09/2023 11:05 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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