mbsync heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in 1.4.0/1.4.1/1.4.2/1.4.3 and classified as critical. The impacted element is an unknown function of the component mbsync. The manipulation results in heap-based overflow. This vulnerability was named CVE-2021-44143. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in 1.4.0/1.4.1/1.4.2/1.4.3. Affected is an unknown code of the component mbsync. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 11/23/2021. The advisory is shared for download at bugs.debian.org. This vulnerability is traded as CVE-2021-44143 since 11/22/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
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: Heap-based overflow
CWE: CWE-122 / 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: 🔍

Timelineinfo

11/22/2021 🔍
11/23/2021 +1 days 🔍
11/23/2021 +0 days 🔍
11/27/2021 +4 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Status: Confirmed

CVE: CVE-2021-44143 (🔍)
GCVE (CVE): GCVE-0-2021-44143
GCVE (VulDB): GCVE-100-187128

Entryinfo

Created: 11/23/2021 07:51
Updated: 11/27/2021 07:23
Changes: 11/23/2021 07:51 (36), 11/27/2021 07:23 (1)
Complete: 🔍
Cache ID: 216::103

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