National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-1926 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.1 MEDIUM
Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 4.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugzilla.cyrusimap.org/show_bug.cgi?id=3423 Patch
http://bugzilla.cyrusimap.org/show_bug.cgi?id=3424 Patch
http://git.cyrusimap.org/cyrus-imapd/patch/?id=523a91a5e86c8b9a27a138f04a3e3f2d8786f162 Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061374.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061415.html
http://openwall.com/lists/oss-security/2011/05/17/15 Patch
http://openwall.com/lists/oss-security/2011/05/17/2 Patch
http://www.cyrusimap.org/docs/cyrus-imapd/2.4.7/changes.php
http://www.debian.org/security/2011/dsa-2242
http://www.debian.org/security/2011/dsa-2258
http://www.kb.cert.org/vuls/id/555316 US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:100
http://www.redhat.com/support/errata/RHSA-2011-0859.html
http://www.securitytracker.com/id?1025625
https://bugzilla.redhat.com/show_bug.cgi?id=705288 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/67867

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cmu:cyrus_imap_server:2.0.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.1.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.1.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.1.18:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.2.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.2.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.2.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.2.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.2.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.2.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.2.13p1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.3.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.4.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.4.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.4.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.4.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.4.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:2.4.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cmu:cyrus_imap_server:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.4.6


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-1926
NVD Published Date:
05/23/2011
NVD Last Modified:
10/30/2018