Vulnerability Details : CVE-2019-16263
Potential exploit
The Twitter Kit framework through 3.4.2 for iOS does not properly validate the api.twitter.com SSL certificate. Although the certificate chain must contain one of a set of pinned certificates, there are certain implementation errors such as a lack of hostname verification. NOTE: this is an end-of-life product.
Products affected by CVE-2019-16263
- cpe:2.3:a:twitter:twitter_kit:*:*:*:*:*:iphone_os:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-16263
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16263
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
7.4
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
2.2
|
5.2
|
NIST |
CWE ids for CVE-2019-16263
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16263
-
https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_TwitterKit_for_iOS_CVE-2019-16263.pdf
Exploit;Third Party Advisory
-
https://github.com/twitter-archive/twitter-kit-ios/blob/ac42e1351a66afa5ff7718d04d64a905dafe1f41/TwitterCore/TwitterCore/Networking/Security/TWTRServerTrustEvaluator.m#L75-L81
twitter-kit-ios/TWTRServerTrustEvaluator.m at ac42e1351a66afa5ff7718d04d64a905dafe1f41 · twitter-archive/twitter-kit-ios · GitHubThird Party Advisory
-
https://blog.appicaptor.com/2019/10/04/vulnerable-library-warning-twitterkit-for-ios/
Vulnerable Library Warning: TwitterKit for iOS – Appicaptor BlogThird Party Advisory
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