mbsync up to 1.4.3 IMAP Server memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in mbsync up to 1.4.3. It has been declared as critical. Affected is an unknown function of the component IMAP Server Handler. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2021-3657. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in mbsync up to 1.4.3. It has been rated as critical. Affected by this issue is some unknown processing of the component IMAP Server Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 02/18/2022. The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2021-3657 since 07/21/2021. The technical details are unknown and an exploit is not available.

Upgrading to version 1.4.4 eliminates this vulnerability.

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: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
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: 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: mbsync 1.4.4

Timelineinfo

07/21/2021 🔍
02/18/2022 +212 days 🔍
02/18/2022 +0 days 🔍
02/18/2022 +0 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-3657 (🔍)
GCVE (CVE): GCVE-0-2021-3657
GCVE (VulDB): GCVE-100-193346

Entryinfo

Created: 02/18/2022 20:41
Changes: 02/18/2022 20:41 (38)
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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