high7.4
CVE-2019-16263
The Twitter Kit framework through 3.4.2 for iOS does not properly validate the api.twitter.com SSL certificate.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Twitter Kit | through 3.4.2 |
Weakness classification
References
- NVD record
- CVE.org record
- https://blog.appicaptor.com/2019/10/04/vulnerable-library-warning-twitterkit-for-ios/
- https://github.com/twitter-archive/twitter-kit-ios/blob/ac42e1351a66afa5ff7718d04d64a905dafe1f41/TwitterCore/TwitterCore/Networking/Security/TWTRServerTrustEvaluator.m#L75-L81
- https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_TwitterKit_for_iOS_CVE-2019-16263.pdf
- https://blog.appicaptor.com/2019/10/04/vulnerable-library-warning-twitterkit-for-ios/
- https://github.com/twitter-archive/twitter-kit-ios/blob/ac42e1351a66afa5ff7718d04d64a905dafe1f41/TwitterCore/TwitterCore/Networking/Security/TWTRServerTrustEvaluator.m#L75-L81
- https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_TwitterKit_for_iOS_CVE-2019-16263.pdf