CVE-2017-14230

Severity: critical (CVSS 9.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-10 · updated 2026-06-17
Weakness: CWE-20

Description

In the mboxlist_do_find function in imap/mboxlist.c in Cyrus IMAP before 3.0.4, an off-by-one error in prefix calculation for the LIST command caused use of uninitialized memory, which might allow remote attackers to obtain sensitive information or cause a denial of service (daemon crash) via a 'LIST "" "Other Users"' command.

Affected products

cyrusimap Cyrus IMAP: through 3.0.3

References

https://github.com/cyrusimap/cyrus-imapd/commit/6bd33275368edfa71ae117de895488584678ac79
https://github.com/cyrusimap/cyrus-imapd/issues/2132
https://lists.andrew.cmu.edu/pipermail/cyrus-announce/2017-September/000145.html
https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.4.html
https://github.com/cyrusimap/cyrus-imapd/commit/6bd33275368edfa71ae117de895488584678ac79
https://github.com/cyrusimap/cyrus-imapd/issues/2132
https://lists.andrew.cmu.edu/pipermail/cyrus-announce/2017-September/000145.html
https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.4.html

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