Medium severity · published Nov 15, 2018
CVE-2018-0691
Multiple +Message Apps (Softbank +Message App for Android prior to version 10.1.7, Softbank +Message App for iOS prior to version 1.1.23, NTT DOCOMO +Message App for Android prior…
5.9
CVSS
0.7%
EPSS
No
On KEV
Description
Multiple +Message Apps (Softbank +Message App for Android prior to version 10.1.7, Softbank +Message App for iOS prior to version 1.1.23, NTT DOCOMO +Message App for Android prior to version 42.40.2800, NTT DOCOMO +Message App for iOS prior to version 1.1.23, KDDI +Message App for Android prior to version 1.0.6, and KDDI +Message App for iOS prior to version 1.1.23) do not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
+ Message · Kddi
before 1.0.6; before 1.1.23 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-0691
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-0691
Third Party Advisory
http://jvn.jp/en/jp/JVN37288228/index.html
Patch
https://www.au.com/information/notice_mobile/service/2018-002/
Patch
https://www.nttdocomo.co.jp/info/notice/page/180927_00.html
Patch
https://www.softbank.jp/mobile/info/personal/news/service/20180927a/
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KDDI +Message App, NTT DOCOMO +Message App, and SoftBank +Message App contain a vulnerability caused by improper handling of Unicode control characters