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Vulnerability Details : CVE-2014-1692

The hash_buffer function in schnorr.c in OpenSSH through 6.4, when Makefile.inc is modified to enable the J-PAKE protocol, does not initialize certain data structures, which might allow remote attackers to cause a denial of service (memory corruption) or have unspecified other impact via vectors that trigger an error condition.
Publish Date : 2014-01-29 Last Update Date : 2014-02-06
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
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 Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruption
CWE ID 119

- Products Affected By CVE-2014-1692

# Product Type Vendor Product Version Update Edition Language
1 Application Openbsd Openssh Version Details Vulnerabilities
2 Application Openbsd Openssh 1.2 Version Details Vulnerabilities
3 Application Openbsd Openssh 1.2.1 Version Details Vulnerabilities
4 Application Openbsd Openssh 1.2.2 Version Details Vulnerabilities
5 Application Openbsd Openssh 1.2.3 Version Details Vulnerabilities
6 Application Openbsd Openssh 1.2.27 Version Details Vulnerabilities
7 Application Openbsd Openssh 1.3 Version Details Vulnerabilities
8 Application Openbsd Openssh 1.5 Version Details Vulnerabilities
9 Application Openbsd Openssh 1.5.7 Version Details Vulnerabilities
10 Application Openbsd Openssh 1.5.8 Version Details Vulnerabilities
11 Application Openbsd Openssh 2 Version Details Vulnerabilities
12 Application Openbsd Openssh 2.1 Version Details Vulnerabilities
13 Application Openbsd Openssh 2.1.1 Version Details Vulnerabilities
14 Application Openbsd Openssh 2.2 Version Details Vulnerabilities
15 Application Openbsd Openssh 2.3 Version Details Vulnerabilities
16 Application Openbsd Openssh 2.3.1 Version Details Vulnerabilities
17 Application Openbsd Openssh 2.5 Version Details Vulnerabilities
18 Application Openbsd Openssh 2.5.1 Version Details Vulnerabilities
19 Application Openbsd Openssh 2.5.2 Version Details Vulnerabilities
20 Application Openbsd Openssh 2.9 Version Details Vulnerabilities
21 Application Openbsd Openssh 2.9p2 Version Details Vulnerabilities
22 Application Openbsd Openssh 2.9p1 Version Details Vulnerabilities
23 Application Openbsd Openssh 2.9.9 Version Details Vulnerabilities
24 Application Openbsd Openssh 2.9.9p2 Version Details Vulnerabilities
25 Application Openbsd Openssh 3.0 Version Details Vulnerabilities
26 Application Openbsd Openssh 3.0p1 Version Details Vulnerabilities
27 Application Openbsd Openssh 3.0.1 Version Details Vulnerabilities
28 Application Openbsd Openssh 3.0.1p1 Version Details Vulnerabilities
29 Application Openbsd Openssh 3.0.2p1 Version Details Vulnerabilities
30 Application Openbsd Openssh 3.0.2 Version Details Vulnerabilities
31 Application Openbsd Openssh 3.1 Version Details Vulnerabilities
32 Application Openbsd Openssh 3.1p1 Version Details Vulnerabilities
33 Application Openbsd Openssh 3.2 Version Details Vulnerabilities
34 Application Openbsd Openssh 3.2.2p1 Version Details Vulnerabilities
35 Application Openbsd Openssh 3.2.2 Version Details Vulnerabilities
36 Application Openbsd Openssh 3.2.3p1 Version Details Vulnerabilities
37 Application Openbsd Openssh 3.3 Version Details Vulnerabilities
38 Application Openbsd Openssh 3.3p1 Version Details Vulnerabilities
39 Application Openbsd Openssh 3.4p1 Version Details Vulnerabilities
40 Application Openbsd Openssh 3.4 Version Details Vulnerabilities
41 Application Openbsd Openssh 3.5p1 Version Details Vulnerabilities
42 Application Openbsd Openssh 3.5 Version Details Vulnerabilities
43 Application Openbsd Openssh 3.6 Version Details Vulnerabilities
44 Application Openbsd Openssh 3.6.1p2 Version Details Vulnerabilities
45 Application Openbsd Openssh 3.6.1p1 Version Details Vulnerabilities
46 Application Openbsd Openssh 3.6.1 Version Details Vulnerabilities
47 Application Openbsd Openssh 3.7 Version Details Vulnerabilities
48 Application Openbsd Openssh 3.7.1p2 Version Details Vulnerabilities
49 Application Openbsd Openssh 3.7.1p1 Version Details Vulnerabilities
50 Application Openbsd Openssh 3.7.1 Version Details Vulnerabilities
51 Application Openbsd Openssh 3.8 Version Details Vulnerabilities
52 Application Openbsd Openssh 3.8.1p1 Version Details Vulnerabilities
53 Application Openbsd Openssh 3.8.1 Version Details Vulnerabilities
54 Application Openbsd Openssh 3.9 Version Details Vulnerabilities
55 Application Openbsd Openssh 3.9.1p1 Version Details Vulnerabilities
56 Application Openbsd Openssh 3.9.1 Version Details Vulnerabilities
57 Application Openbsd Openssh 4.0p1 Version Details Vulnerabilities
58 Application Openbsd Openssh 4.0 Version Details Vulnerabilities
59 Application Openbsd Openssh 4.1p1 Version Details Vulnerabilities
60 Application Openbsd Openssh 4.1 Version Details Vulnerabilities
61 Application Openbsd Openssh 4.2p1 Version Details Vulnerabilities
62 Application Openbsd Openssh 4.2 Version Details Vulnerabilities
63 Application Openbsd Openssh 4.3 Version Details Vulnerabilities
64 Application Openbsd Openssh 4.3p2 Version Details Vulnerabilities
65 Application Openbsd Openssh 4.3p1 Version Details Vulnerabilities
66 Application Openbsd Openssh 4.4p1 Version Details Vulnerabilities
67 Application Openbsd Openssh 4.4 Version Details Vulnerabilities
68 Application Openbsd Openssh 4.5 Version Details Vulnerabilities
69 Application Openbsd Openssh 4.6 Version Details Vulnerabilities
70 Application Openbsd Openssh 4.7 Version Details Vulnerabilities
71 Application Openbsd Openssh 4.8 Version Details Vulnerabilities
72 Application Openbsd Openssh 4.9 Version Details Vulnerabilities
73 Application Openbsd Openssh 5.0 Version Details Vulnerabilities
74 Application Openbsd Openssh 5.1 Version Details Vulnerabilities
75 Application Openbsd Openssh 5.2 Version Details Vulnerabilities
76 Application Openbsd Openssh 5.3 Version Details Vulnerabilities
77 Application Openbsd Openssh 5.4 Version Details Vulnerabilities
78 Application Openbsd Openssh 5.5 Version Details Vulnerabilities
79 Application Openbsd Openssh 5.6 Version Details Vulnerabilities
80 Application Openbsd Openssh 5.7 Version Details Vulnerabilities
81 Application Openbsd Openssh 5.8p2 Version Details Vulnerabilities
82 Application Openbsd Openssh 5.8 Version Details Vulnerabilities
83 Application Openbsd Openssh 5.9 Version Details Vulnerabilities
84 Application Openbsd Openssh 6.0 Version Details Vulnerabilities
85 Application Openbsd Openssh 6.1 Version Details Vulnerabilities
86 Application Openbsd Openssh 6.2 Version Details Vulnerabilities
87 Application Openbsd Openssh 6.3 Version Details Vulnerabilities
88 Application Openbsd Openssh 6.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openssh 88

- References For CVE-2014-1692

http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/schnorr.c#rev1.10
http://openwall.com/lists/oss-security/2014/01/29/10
MLIST [oss-security] 20140129 Re: OpenSSH J-PAKE vulnerability (no cause for panic! remain calm!)
http://osvdb.org/102611
OSVDB 102611
http://openwall.com/lists/oss-security/2014/01/29/2
MLIST [oss-security] 20140128 OpenSSH J-PAKE vulnerability (no cause for panic! remain calm!)
http://xforce.iss.net/xforce/xfdb/90819
XF openssh-cve20141692-code-exec(90819)
http://www.securityfocus.com/bid/65230
BID 65230 OpenSSH 'schnorr.c' Remote Memory Corruption Vulnerability Release Date:2014-07-21
http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/Attic/schnorr.c.diff?r1=1.9;r2=1.10;f=h

- Metasploit Modules Related To CVE-2014-1692

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


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