// For flags

CVE-2013-4206

Gentoo Linux Security Advisory 201309-08

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Desbordamiento de búfer basado en memoria dinámica en la función modmul en sshbn.c en PuTTY 0.62 y anteriores, permite a servidores SSH remotos provocar una denegación de servicio (caída) y posiblemente causar una corrupción de memoria o ejecución de código a través de una firma DSA manipulada que no es manejada adecuadamente cuando se realizan determinadas operaciones de bit-shifting durante una multiplicación modular.

Multiple vulnerabilities have been found in FileZilla, the worst of which could result in arbitrary code execution. Versions less than 3.7.3 are affected.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2013-06-12 CVE Reserved
  • 2013-08-12 CVE Published
  • 2024-08-06 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.45
Search vendor "Putty" for product "Putty" and version "0.45"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.46
Search vendor "Putty" for product "Putty" and version "0.46"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.47
Search vendor "Putty" for product "Putty" and version "0.47"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.48
Search vendor "Putty" for product "Putty" and version "0.48"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.49
Search vendor "Putty" for product "Putty" and version "0.49"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.50
Search vendor "Putty" for product "Putty" and version "0.50"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.51
Search vendor "Putty" for product "Putty" and version "0.51"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.52
Search vendor "Putty" for product "Putty" and version "0.52"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.53b
Search vendor "Putty" for product "Putty" and version "0.53b"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.54
Search vendor "Putty" for product "Putty" and version "0.54"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.55
Search vendor "Putty" for product "Putty" and version "0.55"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.56
Search vendor "Putty" for product "Putty" and version "0.56"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.57
Search vendor "Putty" for product "Putty" and version "0.57"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.58
Search vendor "Putty" for product "Putty" and version "0.58"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.59
Search vendor "Putty" for product "Putty" and version "0.59"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.60
Search vendor "Putty" for product "Putty" and version "0.60"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
0.61
Search vendor "Putty" for product "Putty" and version "0.61"
-
Affected
Putty
Search vendor "Putty"
Putty
Search vendor "Putty" for product "Putty"
2010-06-01
Search vendor "Putty" for product "Putty" and version "2010-06-01"
r8967, development_snapshot
Affected
Simon Tatham
Search vendor "Simon Tatham"
Putty
Search vendor "Simon Tatham" for product "Putty"
<= 0.62
Search vendor "Simon Tatham" for product "Putty" and version " <= 0.62"
-
Affected
Simon Tatham
Search vendor "Simon Tatham"
Putty
Search vendor "Simon Tatham" for product "Putty"
0.53
Search vendor "Simon Tatham" for product "Putty" and version "0.53"
-
Affected