Home/CVE/Email header injection vulnerability in Cybozu Office 9.0.0 to 10.4.0 allows remote attackers to inject arbitrary email
CVE

CVE-2016-4868

Email header injection vulnerability in Cybozu Office 9.0.0 to 10.4.0 allows remote attackers to inject arbitrary email

Email header injection vulnerability in Cybozu Office 9.0.0 to 10.4.0 allows remote attackers to inject arbitrary email headers to send unintended emails via specially crafted requests.

MEDIUM · CVSS 4.3 EPSS 0.00672
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
cybozu officeall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighCode Executed Via Office Add-in XLL File
producthighPotential Persistence Via Microsoft Office Add-In
producthighPotential Persistence Via Microsoft Office Startup Folder
producthighFile With Uncommon Extension Created By An Office Application
producthighOffice Macro File Creation From Suspicious Process
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.0 · vultures@jpcert.or.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Apr 2017 · 03:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://jvn.jp/en/jp/JVN08736331/index.htmlThird Party AdvisoryVDB Entry
http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000190.htmlThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/97713Third Party AdvisoryVDB Entry
https://support.cybozu.com/ja-jp/article/9433Vendor Advisory
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