Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
0

CVE-2013-4206

Disclosure Date: August 19, 2013
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

Add Assessment

No one has assessed this topic. Be the first to add your voice to the community.

CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • putty,
  • simon tatham

Products

  • putty,
  • putty 0.45,
  • putty 0.46,
  • putty 0.47,
  • putty 0.48,
  • putty 0.49,
  • putty 0.50,
  • putty 0.51,
  • putty 0.52,
  • putty 0.53,
  • putty 0.53b,
  • putty 0.54,
  • putty 0.55,
  • putty 0.56,
  • putty 0.57,
  • putty 0.58,
  • putty 0.59,
  • putty 0.60,
  • putty 0.61,
  • putty 2010-06-01
Technical Analysis