Platform Fetchmail up to 6.4.19 report.c report_vbuild va_list memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Platform Fetchmail up to 6.4.19. The affected element is the function report_vbuild of the file report.c. The manipulation of the argument va_list results in memory corruption. This vulnerability is known as CVE-2021-36386. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Platform Fetchmail up to 6.4.19. It has been classified as critical. Affected is the function report_vbuild of the file report.c. The manipulation of the argument va_list with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 07/31/2021 as fetchmail-SA-2021-01. The advisory is available at fetchmail.info. This vulnerability is traded as CVE-2021-36386. Technical details are known, but there is no available exploit.

Upgrading to version 6.4.20 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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 6.4.20

Timelineinfo

07/12/2021 🔍
07/31/2021 +19 days 🔍
07/31/2021 +0 days 🔍
08/06/2021 +6 days 🔍

Sourcesinfo

Advisory: fetchmail-SA-2021-01
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-36386 (🔍)
GCVE (CVE): GCVE-0-2021-36386
GCVE (VulDB): GCVE-100-179790

Entryinfo

Created: 07/31/2021 17:45
Updated: 08/06/2021 03:47
Changes: 07/31/2021 17:45 (41), 08/06/2021 03:47 (3)
Complete: 🔍
Cache ID: 216::103

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