Vulnerability in Cmu Cyrus Imap Server
CVE-2011-1926
The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.1 (Medium). Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.040 (90.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Cmu Cyrus Imap Server — versions 2.0.17, 2.1.16, 2.1.17
Weakness classification (CWE)
References
- www.redhat.com/support/errata/RHSA-2011-0859.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/061374.html (vendor-advisory)
- www.debian.org/security/2011/dsa-2258 (vendor-advisory)
- www.cyrusimap.org/docs/cyrus-imapd/2.4.7/changes.php
- www.mandriva.com/security/advisories (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/061415.html (vendor-advisory)
- www.securitytracker.com/id (vdb-entry)
- bugzilla.cyrusimap.org/show_bug.cgi (Patch)
- www.debian.org/security/2011/dsa-2242 (vendor-advisory)
- secunia.com/advisories/44876 (third-party-advisory)