Winny vulnerable to buffer overflow


Winny contains a buffer overflow vulnerability.

Winny is a P2P file sharing software. Winny contains a buffer overflow vulnerability.
This vulnerability is different from JVN#21471805 and JVN#74294680.

Moti Joseph and Kobi Pariente reported this vulnerability to JPCERT/CC.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

Isamu Kaneko
  • Winny 2.0b7.1 and earlier


A remote attacker may be able to execute arbitary code.

[Do not use Winny]
Please discontinue use of Winny.
Vendor Information

CWE (What is CWE?)

  1. Buffer Errors(CWE-119) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2010-2360

  1. JVN : JVN#91740962
  2. National Vulnerability Database (NVD) : CVE-2010-2360
  3. ISS X-Force Database : 61275
Revision History

  • [2010/08/20]
      Web page published