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Vulnerability Details : CVE-2013-4852

Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service (crash) and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the SSH handshake, which triggers a heap-based buffer overflow.
Publish Date : 2013-08-19 Last Update Date : 2013-09-11
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
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 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) Denial Of ServiceExecute CodeOverflow
CWE ID 189

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2736-1 putty - several oval:org.mitre.oval:def:18299 unix
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-2013-4852

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 6.0 Version Details Vulnerabilities
2 OS Debian Debian Linux 7.0 Version Details Vulnerabilities
3 OS Debian Debian Linux 7.1 Version Details Vulnerabilities
4 OS Novell Opensuse 12.3 Version Details Vulnerabilities
5 Application Simon Tatham Putty 0.45 Version Details Vulnerabilities
6 Application Simon Tatham Putty 0.46 Version Details Vulnerabilities
7 Application Simon Tatham Putty 0.47 Version Details Vulnerabilities
8 Application Simon Tatham Putty 0.48 Version Details Vulnerabilities
9 Application Simon Tatham Putty 0.49 Version Details Vulnerabilities
10 Application Simon Tatham Putty 0.50 Version Details Vulnerabilities
11 Application Simon Tatham Putty 0.51 Version Details Vulnerabilities
12 Application Simon Tatham Putty 0.52 Version Details Vulnerabilities
13 Application Simon Tatham Putty 0.53b Version Details Vulnerabilities
14 Application Simon Tatham Putty 0.53 B Version Details Vulnerabilities
15 Application Simon Tatham Putty 0.53 Version Details Vulnerabilities
16 Application Simon Tatham Putty 0.54 Version Details Vulnerabilities
17 Application Simon Tatham Putty 0.55 Version Details Vulnerabilities
18 Application Simon Tatham Putty 0.56 Version Details Vulnerabilities
19 Application Simon Tatham Putty 0.57 Version Details Vulnerabilities
20 Application Simon Tatham Putty 0.58 Version Details Vulnerabilities
21 Application Simon Tatham Putty 0.59 Version Details Vulnerabilities
22 Application Simon Tatham Putty 0.60 Version Details Vulnerabilities
23 Application Simon Tatham Putty 0.61 Version Details Vulnerabilities
24 Application Simon Tatham Putty 0.62 Version Details Vulnerabilities
25 Application Simon Tatham Putty 2010-06-01 R8967 ~~development Snapshot~~~ Version Details Vulnerabilities
26 Application Winscp Winscp 3.7.6 Version Details Vulnerabilities
27 Application Winscp Winscp 3.8 Beta Version Details Vulnerabilities
28 Application Winscp Winscp 3.8.2 Version Details Vulnerabilities
29 Application Winscp Winscp 4.0.4 Version Details Vulnerabilities
30 Application Winscp Winscp 4.0.5 Version Details Vulnerabilities
31 Application Winscp Winscp 4.2.6 Version Details Vulnerabilities
32 Application Winscp Winscp 4.2.7 Version Details Vulnerabilities
33 Application Winscp Winscp 4.2.8 Version Details Vulnerabilities
34 Application Winscp Winscp 4.2.9 Version Details Vulnerabilities
35 Application Winscp Winscp 4.3.2 Version Details Vulnerabilities
36 Application Winscp Winscp 4.3.4 Version Details Vulnerabilities
37 Application Winscp Winscp 4.3.5 Version Details Vulnerabilities
38 Application Winscp Winscp 4.3.6 Version Details Vulnerabilities
39 Application Winscp Winscp 4.3.7 Version Details Vulnerabilities
40 Application Winscp Winscp 4.3.8 Version Details Vulnerabilities
41 Application Winscp Winscp 4.3.9 Version Details Vulnerabilities
42 Application Winscp Winscp 4.4.0 Version Details Vulnerabilities
43 Application Winscp Winscp 5.0 Beta Version Details Vulnerabilities
44 Application Winscp Winscp 5.0.1 Beta Version Details Vulnerabilities
45 Application Winscp Winscp 5.0.2 Beta Version Details Vulnerabilities
46 Application Winscp Winscp 5.0.3 Beta Version Details Vulnerabilities
47 Application Winscp Winscp 5.0.4 Beta Version Details Vulnerabilities
48 Application Winscp Winscp 5.0.5 Beta Version Details Vulnerabilities
49 Application Winscp Winscp 5.0.6 Beta Version Details Vulnerabilities
50 Application Winscp Winscp 5.0.7 Beta Version Details Vulnerabilities
51 Application Winscp Winscp 5.0.8 RC Version Details Vulnerabilities
52 Application Winscp Winscp 5.0.9 RC Version Details Vulnerabilities
53 Application Winscp Winscp 5.1 Version Details Vulnerabilities
54 Application Winscp Winscp 5.1.1 Version Details Vulnerabilities
55 Application Winscp Winscp 5.1.2 Version Details Vulnerabilities
56 Application Winscp Winscp 5.1.3 Version Details Vulnerabilities
57 Application Winscp Winscp 5.1.4 Version Details Vulnerabilities
58 Application Winscp Winscp 5.1.5 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 3
Novell Opensuse 1
Simon Tatham Putty 21
Winscp Winscp 33

- References For CVE-2013-4852

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=718779 CONFIRM
http://secunia.com/advisories/54379
SECUNIA 54379
http://lists.opensuse.org/opensuse-updates/2013-08/msg00041.html
SUSE openSUSE-SU-2013:1355
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
SUSE openSUSE-SU-2013:1347
http://secunia.com/advisories/54517
SECUNIA 54517
http://svn.tartarus.org/sgt?view=revision&sortby=date&revision=9896
http://secunia.com/advisories/54533
SECUNIA 54533
http://winscp.net/tracker/show_bug.cgi?id=1017
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-signature-stringlen.html CONFIRM
http://www.search-lab.hu/advisories/secadv-20130722
http://www.debian.org/security/2013/dsa-2736
DEBIAN DSA-2736

- Metasploit Modules Related To CVE-2013-4852

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


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