CVE-2021-3657

CRITICAL

9.8

Description

A flaw was found in mbsync versions prior to 1.4.4. Due to inadequate handling of extremely large (>=2GiB) IMAP literals, malicious or compromised IMAP servers, and hypothetically even external email senders, could cause several different buffer overflows, which could conceivably be exploited for remote code execution.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/18/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxfedoraproject:fedoraisync_project:isyncredhat:enterprise_linux

Weaknesses (CWE)

CWE-119CWE-119

References

https://bugzilla.redhat.com/show_bug.cgi?id=2028932(patrick@puiterwijk.org)

https://lists.debian.org/debian-lts-announce/2022/07/msg00001.html(patrick@puiterwijk.org)

https://security.gentoo.org/glsa/202208-15(patrick@puiterwijk.org)

https://www.openwall.com/lists/oss-security/2021/12/03/1(patrick@puiterwijk.org)

https://bugzilla.redhat.com/show_bug.cgi?id=2028932(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2022/07/msg00001.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202208-15(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2021/12/03/1(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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