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Vulnerability Details : CVE-2011-1945

The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.
Publish Date : 2011-05-31 Last Update Date : 2013-06-05
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- CVSS Scores & Vulnerability Types

CVSS Score
2.6
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 High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied 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
CVE-2011-1945 oval:org.opensuse.security:def:20111945 unix
DSA-2309-1 openssl -- compromised certificate authority oval:org.mitre.oval:def:14723 unix
Vulnerability in OpenSSL 1.0.0d and earlier, makes easier for context-dependent attackers to determine private keys oval:org.mitre.oval:def:24733 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-2011-1945

# Product Type Vendor Product Version Update Edition Language
1 Application Openssl Openssl 0.9.1c Version Details Vulnerabilities
2 Application Openssl Openssl 0.9.2b Version Details Vulnerabilities
3 Application Openssl Openssl 0.9.3 Version Details Vulnerabilities
4 Application Openssl Openssl 0.9.3a Version Details Vulnerabilities
5 Application Openssl Openssl 0.9.4 Version Details Vulnerabilities
6 Application Openssl Openssl 0.9.5 Beta2 Version Details Vulnerabilities
7 Application Openssl Openssl 0.9.5 Version Details Vulnerabilities
8 Application Openssl Openssl 0.9.5a Version Details Vulnerabilities
9 Application Openssl Openssl 0.9.5 Beta1 Version Details Vulnerabilities
10 Application Openssl Openssl 0.9.5a Beta1 Version Details Vulnerabilities
11 Application Openssl Openssl 0.9.5a Beta2 Version Details Vulnerabilities
12 Application Openssl Openssl 0.9.6e Version Details Vulnerabilities
13 Application Openssl Openssl 0.9.6a Beta1 Version Details Vulnerabilities
14 Application Openssl Openssl 0.9.6i Version Details Vulnerabilities
15 Application Openssl Openssl 0.9.6l Version Details Vulnerabilities
16 Application Openssl Openssl 0.9.6 Beta3 Version Details Vulnerabilities
17 Application Openssl Openssl 0.9.6d Version Details Vulnerabilities
18 Application Openssl Openssl 0.9.6a Beta2 Version Details Vulnerabilities
19 Application Openssl Openssl 0.9.6a Beta3 Version Details Vulnerabilities
20 Application Openssl Openssl 0.9.6h Version Details Vulnerabilities
21 Application Openssl Openssl 0.9.6k Version Details Vulnerabilities
22 Application Openssl Openssl 0.9.6g Version Details Vulnerabilities
23 Application Openssl Openssl 0.9.6 Version Details Vulnerabilities
24 Application Openssl Openssl 0.9.6c Version Details Vulnerabilities
25 Application Openssl Openssl 0.9.6j Version Details Vulnerabilities
26 Application Openssl Openssl 0.9.6 Beta1 Version Details Vulnerabilities
27 Application Openssl Openssl 0.9.6b Version Details Vulnerabilities
28 Application Openssl Openssl 0.9.6a Version Details Vulnerabilities
29 Application Openssl Openssl 0.9.6f Version Details Vulnerabilities
30 Application Openssl Openssl 0.9.6m Version Details Vulnerabilities
31 Application Openssl Openssl 0.9.6 Beta2 Version Details Vulnerabilities
32 Application Openssl Openssl 0.9.7j Version Details Vulnerabilities
33 Application Openssl Openssl 0.9.7a Version Details Vulnerabilities
34 Application Openssl Openssl 0.9.7i Version Details Vulnerabilities
35 Application Openssl Openssl 0.9.7d Version Details Vulnerabilities
36 Application Openssl Openssl 0.9.7k Version Details Vulnerabilities
37 Application Openssl Openssl 0.9.7 Beta4 Version Details Vulnerabilities
38 Application Openssl Openssl 0.9.7 Beta2 Version Details Vulnerabilities
39 Application Openssl Openssl 0.9.7f Version Details Vulnerabilities
40 Application Openssl Openssl 0.9.7e Version Details Vulnerabilities
41 Application Openssl Openssl 0.9.7l Version Details Vulnerabilities
42 Application Openssl Openssl 0.9.7g Version Details Vulnerabilities
43 Application Openssl Openssl 0.9.7m Version Details Vulnerabilities
44 Application Openssl Openssl 0.9.7b Version Details Vulnerabilities
45 Application Openssl Openssl 0.9.7 Beta1 Version Details Vulnerabilities
46 Application Openssl Openssl 0.9.7 Beta5 Version Details Vulnerabilities
47 Application Openssl Openssl 0.9.7c Version Details Vulnerabilities
48 Application Openssl Openssl 0.9.7 Version Details Vulnerabilities
49 Application Openssl Openssl 0.9.7 Beta6 Version Details Vulnerabilities
50 Application Openssl Openssl 0.9.7h Version Details Vulnerabilities
51 Application Openssl Openssl 0.9.7 Beta3 Version Details Vulnerabilities
52 Application Openssl Openssl 0.9.8b Version Details Vulnerabilities
53 Application Openssl Openssl 0.9.8j Version Details Vulnerabilities
54 Application Openssl Openssl 0.9.8m Version Details Vulnerabilities
55 Application Openssl Openssl 0.9.8f Version Details Vulnerabilities
56 Application Openssl Openssl 0.9.8d Version Details Vulnerabilities
57 Application Openssl Openssl 0.9.8k Version Details Vulnerabilities
58 Application Openssl Openssl 0.9.8g Version Details Vulnerabilities
59 Application Openssl Openssl 0.9.8i Version Details Vulnerabilities
60 Application Openssl Openssl 0.9.8l Version Details Vulnerabilities
61 Application Openssl Openssl 0.9.8e Version Details Vulnerabilities
62 Application Openssl Openssl 0.9.8n Version Details Vulnerabilities
63 Application Openssl Openssl 0.9.8 Version Details Vulnerabilities
64 Application Openssl Openssl 0.9.8p Version Details Vulnerabilities
65 Application Openssl Openssl 0.9.8c Version Details Vulnerabilities
66 Application Openssl Openssl 0.9.8o Version Details Vulnerabilities
67 Application Openssl Openssl 0.9.8a Version Details Vulnerabilities
68 Application Openssl Openssl 0.9.8h Version Details Vulnerabilities
69 Application Openssl Openssl 1.0.0 Version Details Vulnerabilities
70 Application Openssl Openssl 1.0.0 Beta4 Version Details Vulnerabilities
71 Application Openssl Openssl 1.0.0 Beta1 Version Details Vulnerabilities
72 Application Openssl Openssl 1.0.0b Version Details Vulnerabilities
73 Application Openssl Openssl 1.0.0 Beta5 Version Details Vulnerabilities
74 Application Openssl Openssl 1.0.0c Version Details Vulnerabilities
75 Application Openssl Openssl 1.0.0 Beta3 Version Details Vulnerabilities
76 Application Openssl Openssl 1.0.0a Version Details Vulnerabilities
77 Application Openssl Openssl 1.0.0d Version Details Vulnerabilities
78 Application Openssl Openssl 1.0.0 Beta2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openssl Openssl 78

- References For CVE-2011-1945

http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
APPLE APPLE-SA-2013-06-04-1
http://support.apple.com/kb/HT5784 CONFIRM
http://secunia.com/advisories/44935
SECUNIA 44935
http://www.mandriva.com/security/advisories?name=MDVSA-2011:137
MANDRIVA MDVSA-2011:137
http://www.mandriva.com/security/advisories?name=MDVSA-2011:136
MANDRIVA MDVSA-2011:136
http://www.debian.org/security/2011/dsa-2309
DEBIAN DSA-2309
http://eprint.iacr.org/2011/232.pdf
http://www.kb.cert.org/vuls/id/536044
CERT-VN VU#536044
https://hermes.opensuse.org/messages/8764170
SUSE SUSE-SU-2011:0636
https://hermes.opensuse.org/messages/8760466
SUSE openSUSE-SU-2011:0634
http://www.kb.cert.org/vuls/id/MAPG-8FENZ3 CONFIRM

- Metasploit Modules Related To CVE-2011-1945

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


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