Published:2017/10/24  Last Updated:2017/10/24

JVNVU#93703434
Memory corruption vulnerability in Rakuraku Hagaki and Rakuraku Hagaki Select for Ichitaro

Overview

Rakuraku Hagaki and Rakuraku Hagaki Select for Ichitaro contain a memory corruption vulnerability.
 

Products Affected

[Personal User Products]

  • Ichitaro 2017
  • Ichitaro 2016
  • Ichitaro 2015
  • Rakuraku Hagaki 2018
  • Rakuraku Hagaki 2017
  • Rakuraku Hagaki 2016
[Corporate User Products]
  • Ichitaro Pro3
  • Ichitaro Pro2
  • Ichitaro Pro
  • Ichitaro 2011
  • Ichitaro Government 8
  • Ichitaro Government 7
  • Ichitaro Government 6
[Trial Products]
  • Ichitaro 2017 Trial version
For details, refer to the information provided by the developer.

 

Description

Rakuraku Hagaki and Rakuraku Hagaki Select for Ichitaro contain a memory corruption vulnerability.

Impact

If a user opens a specially crafted Rakuraku Hagaki file or Rakuraku Hagaki Select for Ichitaro file, arbitrary code may be executed with the privilege of running the application.

Solution

Update the software
Update the softwawre according to the information provided by the developer.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Base Score: 5.3
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:L/Au:N/C:P/I:P/A:P
Base Score: 7.5
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Tien Phung Phan of Fortinet reported this vulnerability to JustSystem and coordinated. JustSystem and JPCERT/CC published respective advisories in order to notify users of this vulnerability.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2017-10870
JVN iPedia