CVE-2021-44143

CRITICAL

9.8

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.

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

Published11/22/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxfedoraproject:fedoraisync_project:isync

Weaknesses (CWE)

CWE-787

References

http://www.openwall.com/lists/oss-security/2021/12/03/2(cve@mitre.org)

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYZ2GNB4ZO2T27D2XNUWMCS3THZYSJQU/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCBSY7OZ57XNC6ZYXF6WU5KBSWITZVDX/(cve@mitre.org)

https://security.gentoo.org/glsa/202208-15(cve@mitre.org)

https://sourceforge.net/p/isync/isync/commit_browser(cve@mitre.org)

https://sourceforge.net/p/isync/isync/ref/master/tags/(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2021/12/03/2(af854a3a-2127-422b-91ae-364da2661108)

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYZ2GNB4ZO2T27D2XNUWMCS3THZYSJQU/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCBSY7OZ57XNC6ZYXF6WU5KBSWITZVDX/(af854a3a-2127-422b-91ae-364da2661108)

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

https://sourceforge.net/p/isync/isync/commit_browser(af854a3a-2127-422b-91ae-364da2661108)

https://sourceforge.net/p/isync/isync/ref/master/tags/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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