Vulnerability Details : CVE-2011-4318
Dovecot 2.0.x before 2.0.16, when ssl or starttls is enabled and hostname is used to define the proxy destination, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate for a different hostname.
Products affected by CVE-2011-4318
- cpe:2.3:a:dovecot:dovecot:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:dovecot:dovecot:2.0.15:*:*:*:*:*:*:*
Threat overview for CVE-2011-4318
Top countries where our scanners detected CVE-2011-4318
Top open port discovered on systems with this issue
993
IPs affected by CVE-2011-4318 761
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-4318!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-4318
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4318
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST |
CWE ids for CVE-2011-4318
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4318
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http://secunia.com/advisories/52311
Sign inVendor Advisory
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http://hg.dovecot.org/dovecot-2.0/rev/5e9eaf63a6b1
404 Not Found
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http://rhn.redhat.com/errata/RHSA-2013-0520.html
RHSA-2013:0520 - Security Advisory - Red Hat Customer PortalVendor Advisory
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https://bugs.gentoo.org/show_bug.cgi?id=390887
390887 – (CVE-2011-4318) <net-mail/dovecot-2.0.16: Possible Man-in-the-Middle Attacks (CVE-2011-4318)
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http://secunia.com/advisories/46886
Sign in
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http://www.openwall.com/lists/oss-security/2011/11/18/5
oss-security - Re: CVE Request -- Dovecot -- Validate certificate's CN against requested remote server hostname when proxying
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https://bugzilla.redhat.com/show_bug.cgi?id=754980
754980 – (CVE-2011-4318) CVE-2011-4318 dovecot: proxy destination host name not checked against SSL certificate name
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http://www.dovecot.org/list/dovecot-news/2011-November/000200.html
[Dovecot-news] v2.0.16 released
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http://www.openwall.com/lists/oss-security/2011/11/18/7
oss-security - Re: CVE Request -- Dovecot -- Validate certificate's CN against requested remote server hostname when proxying
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