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CVE-2021-3657

nvd nist
Published: Feb 18, 2022Modified: Nov 21, 2024

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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.

Affected (4)

Show all products
Isync Project: Isync · Fedoraproject: Fedora · Redhat: Enterprise Linux · Debian: Debian Linux
Isync Project
1 product
Isync
Fedoraproject
1 product
Fedora
Redhat
1 product
Enterprise Linux
Debian
1 product
Debian Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Isync
Before 1.4.4
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 35
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Enterprise Linux
Version 7.0
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 9.0

Related CWEs

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (8)

Source: patrick@puiterwijk.org
Issue TrackingThird Party Advisory
Source: patrick@puiterwijk.org
Mailing ListThird Party Advisory
Source: patrick@puiterwijk.org
Third Party Advisory
Source: patrick@puiterwijk.org
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory

Timeline

No history available yet.