HOMEVULNERABILITIESCVE-2017-10870
HIGH

CVE-2017-10870

CWE-119Published: November 2, 2017· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Memory corruption vulnerability in Rakuraku Hagaki (Rakuraku Hagaki 2018, Rakuraku Hagaki 2017, Rakuraku Hagaki 2016) and Rakuraku Hagaki Select for Ichitaro (Ichitaro 2017, Ichitaro 2016, Ichitaro 2015, Ichitaro Pro3, Ichitaro Pro2, Ichitaro Pro, Ichitaro 2011, Ichitaro Government 8, Ichitaro Government 7, Ichitaro Government 6 and Ichitaro 2017 Trial version) allows attackers to execute arbitrary code with privileges of the application via specially crafted file.

NVD Source

Technical Analysis

CVE-2017-10870 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

justsystems14 product(s)
easy postcard 2016easy postcard 2017easy postcard 2018ichitaro 2016ichitaro 2017ichitaro 2017 trial versionichitaro 2018ichitaro government 6ichitaro government 7ichitaro government 8ichitaro proichitaro pro 2+2
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.justsystems.com/jp/info/js17003.html
PATCHhttps://www.justsystems.com/jp/info/js17003.html
ADVISORYhttps://jvn.jp/en/vu/JVNVU93703434/index.html
ADVISORYhttps://jvn.jp/en/vu/JVNVU93703434/index.html

All References (4)

→
https://jvn.jp/en/vu/JVNVU93703434/index.htmlThird Party Advisory · VDB Entry
→
https://www.justsystems.com/jp/info/js17003.htmlPatch · Vendor Advisory
→
https://jvn.jp/en/vu/JVNVU93703434/index.htmlThird Party Advisory · VDB Entry
→
https://www.justsystems.com/jp/info/js17003.htmlPatch · Vendor Advisory

Quick Facts

CVE IDCVE-2017-10870
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedNov 2, 2017

Related CVEs (CWE-119)

CVE-2003-0095
10.0
CVE-2003-1496
10.0
CVE-2002-1357
10.0
CVE-2002-2250
10.0
CVE-2002-2248
10.0
CVE-2003-1503
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-10870 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2017-10870·NVD