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Vulnerability Details : CVE-2014-3556

The STARTTLS implementation in mail/ngx_mail_smtp_handler.c in the SMTP proxy in nginx 1.5.x and 1.6.x before 1.6.1 and 1.7.x before 1.7.4 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP 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.
Publish Date : 2014-12-29 Last Update Date : 2015-03-16
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 77

- Products Affected By CVE-2014-3556

# Product Type Vendor Product Version Update Edition Language
1 Application Nginx Nginx 1.5.0 Version Details Vulnerabilities
2 Application Nginx Nginx 1.5.1 Version Details Vulnerabilities
3 Application Nginx Nginx 1.5.2 Version Details Vulnerabilities
4 Application Nginx Nginx 1.5.3 Version Details Vulnerabilities
5 Application Nginx Nginx 1.5.4 Version Details Vulnerabilities
6 Application Nginx Nginx 1.5.5 Version Details Vulnerabilities
7 Application Nginx Nginx 1.5.6 Version Details Vulnerabilities
8 Application Nginx Nginx 1.5.7 Version Details Vulnerabilities
9 Application Nginx Nginx 1.5.8 Version Details Vulnerabilities
10 Application Nginx Nginx 1.5.9 Version Details Vulnerabilities
11 Application Nginx Nginx 1.5.10 Version Details Vulnerabilities
12 Application Nginx Nginx 1.5.11 Version Details Vulnerabilities
13 Application Nginx Nginx 1.5.12 Version Details Vulnerabilities
14 Application Nginx Nginx 1.6.0 Version Details Vulnerabilities
15 Application Nginx Nginx 1.6.1 Version Details Vulnerabilities
16 Application Nginx Nginx 1.7.0 Version Details Vulnerabilities
17 Application Nginx Nginx 1.7.1 Version Details Vulnerabilities
18 Application Nginx Nginx 1.7.2 Version Details Vulnerabilities
19 Application Nginx Nginx 1.7.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Nginx Nginx 19

- References For CVE-2014-3556

http://marc.info/?l=bugtraq&m=142103967620673&w=2
HP HPSBOV03227
http://nginx.org/download/patch.2014.starttls.txt CONFIRM
http://mailman.nginx.org/pipermail/nginx-announce/2014/000144.html
MLIST [nginx-announce] 20140805 nginx security advisory (CVE-2014-3556)
https://bugzilla.redhat.com/show_bug.cgi?id=1126891 CONFIRM

- Metasploit Modules Related To CVE-2014-3556

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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