CVE-2021-3657

Name
CVE-2021-3657
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.
NVD Severity
high
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.openwall.com/lists/oss-security/2021/12/03/1
MISC https://bugzilla.redhat.com/show_bug.cgi?id=2028932

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:isync_project:isync:*:*:*:*:*:*:*:* isync >= None < 1.4.4

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
isync edge-community 1.4.4-r0 Stuart Cardall <developer@it-offshore.co.uk> fixed
isync edge-community 1.4.2-r0 Stuart Cardall <developer@it-offshore.co.uk> possibly vulnerable
isync edge-community 1.4.1-r0 Stuart Cardall <developer@it-offshore.co.uk> possibly vulnerable
isync 3.22-community 1.4.4-r0 None fixed
isync 3.22-community 1.4.2-r0 None possibly vulnerable
isync 3.22-community 1.4.1-r0 None possibly vulnerable
isync 3.21-community 1.4.4-r0 None fixed
isync 3.20-community 1.4.4-r0 None fixed
isync 3.19-community 1.4.4-r0 None fixed
isync 3.18-community 1.4.4-r0 None fixed
isync 3.17-community 1.4.4-r0 None fixed