Fetchmail up to 6.4.21 STARTTLS Encryption cleartext transmission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Fetchmail up to 6.4.21. This impacts an unknown function of the component STARTTLS Encryption Handler. Such manipulation leads to cleartext transmission. This vulnerability is uniquely identified as CVE-2021-39272. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Fetchmail up to 6.4.21 and classified as problematic. Affected by this issue is some unknown functionality of the component STARTTLS Encryption Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. Using CWE to declare the problem leads to CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Impacted is confidentiality.

The weakness was disclosed 08/30/2021. The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2021-39272. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1040.

Upgrading to version 6.4.22 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cleartext transmission
CWE: CWE-319 / CWE-310
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: Fetchmail 6.4.22

Timelineinfo

08/18/2021 🔍
08/30/2021 +12 days 🔍
08/30/2021 +0 days 🔍
09/01/2021 +2 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed

CVE: CVE-2021-39272 (🔍)
GCVE (CVE): GCVE-0-2021-39272
GCVE (VulDB): GCVE-100-181652

Entryinfo

Created: 08/30/2021 20:40
Updated: 09/01/2021 18:37
Changes: 08/30/2021 20:40 (37), 09/01/2021 18:37 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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