CVE-2019-18935 Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data
Attackers can achieve remote code execution via unsafe deserialization in RadAsyncUpload if encryption keys are known or default settings are not enforced.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-18935?
CVE-2019-18935 is a critical unsafe deserialization vulnerability in n/a, published on 11 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. This is exploitable when the encryption keys are known due to the presence of CVE-2017-11317 or CVE-2017-11357, or other means. Exploitation can result in remote code execution. (As of 2020.1.114, a default setting prevents the exploit. In 2019.3.1023, but not earlier versions, a non-default setting can prevent exploitation.)
Weakness: CWE-502
Which versions are affected by CVE-2019-18935?
It affects 1 product.
Products include Telerik Ui for Asp.net Ajax.
How do I fix CVE-2019-18935?
No fix has been published for CVE-2019-18935 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2019-18935 being exploited?
Yes. Attackers have exploited CVE-2019-18935 in the wild since at least 3 Nov 2021, including in ransomware campaigns.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 17 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-c655-3j45-33xw.