Vulnerability in Apple Iphone OS
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 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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (49.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Apple Iphone OS
- Google Android
- Kddi \+ Message
- Ntt Tocomo \+ Message
- Ntttocomo \+ Message
- Softbank \+ Message
- Softbank, Ntt Docomo, Kddi Multiple +message Apps (Softbank App For Android Prior To Version 10.1.7, Softbank iOS 1.1.23, Docomo 42.40.2800, 1.0.6, And 1.1.23) — versions 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
Weakness classification (CWE)
References
- www.au.com/information/notice_mobile/service/2018-002/ (Patch, Vendor Advisory)
- www.softbank.jp/mobile/info/personal/news/service/20180927a/ (Patch, Vendor Advisory)
- jvn.jp/en/jp/JVN37288228/index.html (Third Party Advisory, third-party-advisory)
- www.nttdocomo.co.jp/info/notice/page/180927_00.html (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-0691?
- CVE-2018-0691 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2018-11-15.
- How severe is CVE-2018-0691?
- Medium severity. CVSS v3 base score is 5.9 out of 10.