Description
A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that starts with an empty line) to provoke a heap overflow, which could conceivably be exploited for remote code execution.
Published: 2021-11-22
Score: 9.8 Critical
EPSS: 7.8% Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-30996 A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that starts with an empty line) to provoke a heap overflow, which could conceivably be exploited for remote code execution.
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Debian Debian Linux
Fedoraproject Fedora
Isync Project Isync
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T04:17:23.608Z

Reserved: 2021-11-22T00:00:00.000Z

Link: CVE-2021-44143

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-11-22T20:15:18.223

Modified: 2024-11-21T06:30:25.810

Link: CVE-2021-44143

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses