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Vulnerability Details : CVE-2012-3523

The STARTTLS implementation in nnrpd in INN before 2.5.3 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.
Publish Date : 2012-11-11 Last Update Date : 2013-02-21
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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 264

- Products Affected By CVE-2012-3523

# Product Type Vendor Product Version Update Edition Language
1 Application ISC INN 1.4unoff4 Version Details Vulnerabilities
2 Application ISC INN 1.4unoff3 Version Details Vulnerabilities
3 Application ISC INN 1.4sec2 Version Details Vulnerabilities
4 Application ISC INN 1.4 Version Details Vulnerabilities
5 Application ISC INN 1.4sec Version Details Vulnerabilities
6 Application ISC INN 1.5 Version Details Vulnerabilities
7 Application ISC INN 1.5.1 Version Details Vulnerabilities
8 Application ISC INN 1.7 Version Details Vulnerabilities
9 Application ISC INN 1.7.2 Version Details Vulnerabilities
10 Application ISC INN 2.0 Version Details Vulnerabilities
11 Application ISC INN 2.1 Version Details Vulnerabilities
12 Application ISC INN 2.2 Version Details Vulnerabilities
13 Application ISC INN 2.2.1 Version Details Vulnerabilities
14 Application ISC INN 2.2.2 Version Details Vulnerabilities
15 Application ISC INN 2.2.3 Version Details Vulnerabilities
16 Application ISC INN 2.4.0 Version Details Vulnerabilities
17 Application ISC INN 2.5.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2012-3523
SUSE openSUSE-SU-2012:1171

- Metasploit Modules Related To CVE-2012-3523

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

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