CVE-2016-4868 : Email header injection vulnerability in Cybozu Office 9.0.0 to 10.4.0 allows rem

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.

Published 2017-04-17 15:59:00

Updated 2017-05-23 01:29:02

Source JPCERT/CC

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2016-4868

Cybozu » Office » Version: 9.0
cpe:2.3:a:cybozu:office:9.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.9.0
cpe:2.3:a:cybozu:office:9.9.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.0.0
cpe:2.3:a:cybozu:office:10.0.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.3.1
cpe:2.3:a:cybozu:office:9.3.1:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.2.1
cpe:2.3:a:cybozu:office:9.2.1:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.2.0
cpe:2.3:a:cybozu:office:9.2.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.1.0
cpe:2.3:a:cybozu:office:9.1.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.2.0
cpe:2.3:a:cybozu:office:10.2.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.1.2
cpe:2.3:a:cybozu:office:10.1.2:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.1.0
cpe:2.3:a:cybozu:office:10.1.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.0.2
cpe:2.3:a:cybozu:office:10.0.2:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.0.1
cpe:2.3:a:cybozu:office:10.0.1:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.3.0
cpe:2.3:a:cybozu:office:10.3.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.3.2
cpe:2.3:a:cybozu:office:9.3.2:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.3.0
cpe:2.3:a:cybozu:office:9.3.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.4.0
cpe:2.3:a:cybozu:office:10.4.0:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-4868

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 55 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-4868

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE ids for CVE-2016-4868

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-4868

http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000190.html

JVNDB-2016-000190 - JVN iPedia
Third Party Advisory;VDB Entry
http://jvn.jp/en/jp/JVN08736331/index.html

JVN#08736331: Cybozu Office vulnerable to mail header injection
Third Party Advisory;VDB Entry
https://support.cybozu.com/ja-jp/article/9433

不具合情報公開サイト
Vendor Advisory
http://www.securityfocus.com/bid/97713

Cybozu Office CVE-2016-4868 Email Header Injection Vulnerability
Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2016-4868

Products affected by CVE-2016-4868

Exploit prediction scoring system (EPSS) score for CVE-2016-4868

CVSS scores for CVE-2016-4868

CWE ids for CVE-2016-4868

References for CVE-2016-4868