6.8
MEDIUM
CVE-2013-4206
PuTTY SSH Denial of Service with Memory Corruption
Description

Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication.

INFO

Published Date :

Aug. 19, 2013, 11:55 p.m.

Last Modified :

Aug. 6, 2021, 4:58 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2013-4206 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Putty putty
1 Simon_tatham putty
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2013-4206.

URL Resource
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
http://secunia.com/advisories/54379 Vendor Advisory
http://secunia.com/advisories/54533
http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=date&r1=9977&r2=9976&pathrev=9977 Patch
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html Vendor Advisory
http://www.debian.org/security/2013/dsa-2736
http://www.openwall.com/lists/oss-security/2013/08/06/11

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2013-4206 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2013-4206 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Aug. 06, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:2010-06-01:r8967:*:*:development_snapshot:*:*:* OR *cpe:2.3:a:putty:putty:2010-06-01:r8967:*:*:development_snapshot:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.61:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.61:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.60:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.59:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.58:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.58:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.57:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.57:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.56:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.56:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.55:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.55:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.54:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.54:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.53b:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.53b:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.52:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.52:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.51:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.51:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.50:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.50:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.49:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.48:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.47:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.47:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.46:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.46:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:simon_tatham:putty:0.45:*:*:*:*:*:*:* OR *cpe:2.3:a:putty:putty:0.45:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Sep. 02, 2015

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:simon_tatham:putty:0.62:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:simon_tatham:putty:0.61:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.60:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.59:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.58:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.57:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.56:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.55:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.54:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.53b:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.53:b:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.53:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.52:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.51:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.50:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.49:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.48:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.47:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.46:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.45:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:2010-06-01:r8967:*:*:development_snapshot:*:*:* Configuration 1 OR *cpe:2.3:a:simon_tatham:putty:0.62:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:simon_tatham:putty:0.61:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.60:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.59:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.58:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.57:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.56:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.55:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.54:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.53b:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.53:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.52:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.51:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.50:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.49:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.48:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.47:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.46:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:0.45:*:*:*:*:*:*:* *cpe:2.3:a:simon_tatham:putty:2010-06-01:r8967:*:*:development_snapshot:*:*:*
  • Initial Analysis by [email protected]

    Aug. 20, 2013

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.27 }} -0.21%

score

0.85969

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
: