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Vulnerability Details : CVE-2011-4354

crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.
Publish Date : 2012-01-26 Last Update Date : 2012-11-06
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- CVSS Scores & Vulnerability Types

CVSS Score
5.8
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 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 310

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2390-1 openssl -- several oval:org.mitre.oval:def:15286 unix
Vulnerability in OpenSSL before 0.9.8h on 32-bit platforms, allows remote attackers to obtain the private key of a TLS s... oval:org.mitre.oval:def:24249 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-4354

# Product Type Vendor Product Version Update Edition Language
1 Application Openssl Openssl 0.9.1c ~~~~x86~ Version Details Vulnerabilities
2 Application Openssl Openssl 0.9.2b ~~~~x86~ Version Details Vulnerabilities
3 Application Openssl Openssl 0.9.3a ~~~~x86~ Version Details Vulnerabilities
4 Application Openssl Openssl 0.9.3 ~~~~x86~ Version Details Vulnerabilities
5 Application Openssl Openssl 0.9.4 ~~~~x86~ Version Details Vulnerabilities
6 Application Openssl Openssl 0.9.5a ~~~~x86~ Version Details Vulnerabilities
7 Application Openssl Openssl 0.9.5 Beta2 ~~~~x86~ Version Details Vulnerabilities
8 Application Openssl Openssl 0.9.5 Beta1 ~~~~x86~ Version Details Vulnerabilities
9 Application Openssl Openssl 0.9.5 ~~~~x86~ Version Details Vulnerabilities
10 Application Openssl Openssl 0.9.5a Beta2 ~~~~x86~ Version Details Vulnerabilities
11 Application Openssl Openssl 0.9.5a Beta1 ~~~~x86~ Version Details Vulnerabilities
12 Application Openssl Openssl 0.9.6e ~~~~x86~ Version Details Vulnerabilities
13 Application Openssl Openssl 0.9.6g ~~~~x86~ Version Details Vulnerabilities
14 Application Openssl Openssl 0.9.6l ~~~~x86~ Version Details Vulnerabilities
15 Application Openssl Openssl 0.9.6a Beta2 ~~~~x86~ Version Details Vulnerabilities
16 Application Openssl Openssl 0.9.6b ~~~~x86~ Version Details Vulnerabilities
17 Application Openssl Openssl 0.9.6 Beta3 ~~~~x86~ Version Details Vulnerabilities
18 Application Openssl Openssl 0.9.6m ~~~~x86~ Version Details Vulnerabilities
19 Application Openssl Openssl 0.9.6a Beta1 ~~~~x86~ Version Details Vulnerabilities
20 Application Openssl Openssl 0.9.6c ~~~~x86~ Version Details Vulnerabilities
21 Application Openssl Openssl 0.9.6 Beta2 ~~~~x86~ Version Details Vulnerabilities
22 Application Openssl Openssl 0.9.6j ~~~~x86~ Version Details Vulnerabilities
23 Application Openssl Openssl 0.9.6a ~~~~x86~ Version Details Vulnerabilities
24 Application Openssl Openssl 0.9.6h ~~~~x86~ Version Details Vulnerabilities
25 Application Openssl Openssl 0.9.6 Beta1 ~~~~x86~ Version Details Vulnerabilities
26 Application Openssl Openssl 0.9.6k ~~~~x86~ Version Details Vulnerabilities
27 Application Openssl Openssl 0.9.6i ~~~~x86~ Version Details Vulnerabilities
28 Application Openssl Openssl 0.9.6 ~~~~x86~ Version Details Vulnerabilities
29 Application Openssl Openssl 0.9.6d ~~~~x86~ Version Details Vulnerabilities
30 Application Openssl Openssl 0.9.6f ~~~~x86~ Version Details Vulnerabilities
31 Application Openssl Openssl 0.9.6a Beta3 ~~~~x86~ Version Details Vulnerabilities
32 Application Openssl Openssl 0.9.7e ~~~~x86~ Version Details Vulnerabilities
33 Application Openssl Openssl 0.9.7f ~~~~x86~ Version Details Vulnerabilities
34 Application Openssl Openssl 0.9.7m ~~~~x86~ Version Details Vulnerabilities
35 Application Openssl Openssl 0.9.7d ~~~~x86~ Version Details Vulnerabilities
36 Application Openssl Openssl 0.9.7i ~~~~x86~ Version Details Vulnerabilities
37 Application Openssl Openssl 0.9.7 Beta2 ~~~~x86~ Version Details Vulnerabilities
38 Application Openssl Openssl 0.9.7l ~~~~x86~ Version Details Vulnerabilities
39 Application Openssl Openssl 0.9.7 Beta5 ~~~~x86~ Version Details Vulnerabilities
40 Application Openssl Openssl 0.9.7h ~~~~x86~ Version Details Vulnerabilities
41 Application Openssl Openssl 0.9.7 Beta3 ~~~~x86~ Version Details Vulnerabilities
42 Application Openssl Openssl 0.9.7k ~~~~x86~ Version Details Vulnerabilities
43 Application Openssl Openssl 0.9.7 Beta4 ~~~~x86~ Version Details Vulnerabilities
44 Application Openssl Openssl 0.9.7c ~~~~x86~ Version Details Vulnerabilities
45 Application Openssl Openssl 0.9.7 ~~~~x86~ Version Details Vulnerabilities
46 Application Openssl Openssl 0.9.7j ~~~~x86~ Version Details Vulnerabilities
47 Application Openssl Openssl 0.9.7a ~~~~x86~ Version Details Vulnerabilities
48 Application Openssl Openssl 0.9.7b ~~~~x86~ Version Details Vulnerabilities
49 Application Openssl Openssl 0.9.7g ~~~~x86~ Version Details Vulnerabilities
50 Application Openssl Openssl 0.9.7 Beta1 ~~~~x86~ Version Details Vulnerabilities
51 Application Openssl Openssl 0.9.7 Beta6 ~~~~x86~ Version Details Vulnerabilities
52 Application Openssl Openssl 0.9.8d ~~~~x86~ Version Details Vulnerabilities
53 Application Openssl Openssl 0.9.8g ~~~~x86~ Version Details Vulnerabilities
54 Application Openssl Openssl 0.9.8c ~~~~x86~ Version Details Vulnerabilities
55 Application Openssl Openssl 0.9.8b ~~~~x86~ Version Details Vulnerabilities
56 Application Openssl Openssl 0.9.8a ~~~~x86~ Version Details Vulnerabilities
57 Application Openssl Openssl 0.9.8f ~~~~x86~ Version Details Vulnerabilities
58 Application Openssl Openssl 0.9.8 ~~~~x86~ Version Details Vulnerabilities
59 Application Openssl Openssl 0.9.8e ~~~~x86~ Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openssl Openssl 59

- References For CVE-2011-4354

http://crypto.di.uminho.pt/CACE/CT-RSA2012-openssl-src.zip
http://cvs.openssl.org/filediff?f=openssl/crypto/bn/bn_nist.c&v1=1.14&v2=1.21 CONFIRM
http://eprint.iacr.org/2011/633
http://www.debian.org/security/2012/dsa-2390
DEBIAN DSA-2390
http://marc.info/?t=119271238800004 CONFIRM
http://openwall.com/lists/oss-security/2011/12/01/6
MLIST [oss-security] 20111201 CVE-2011-4354 OpenSSL 0.9.8g (32-bit builds) bug leaks ECC private keys
http://rt.openssl.org/Ticket/Display.html?id=1593&user=guest&pass=guest CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=757909 CONFIRM

- Metasploit Modules Related To CVE-2011-4354

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


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