Becky! Internet Mail vulnerable to buffer overflow


Becky! Internet Mail contains a buffer overflow vulnerability.

Becky! Internet Mail contains an issue in processing responses from a POP3 server, which may result in a buffer overflow vulnerability.

Shingo HAYASHI of Cyber Defense Institute, Inc reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 5.1 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • Becky! Internet Mail Ver.2.67 and earlier


By receiving a specially crafted response, an arbitrary code may be executed.

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2014-3891

  1. JVN : JVN#35376006
  2. National Vulnerability Database (NVD) : CVE-2014-3891
Revision History

  • [2014/07/08]
      Web page was published
      References : Content was added