The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Link | Tags |
---|---|
https://security.netapp.com/advisory/ntap-20190221-0001/ | third party advisory patch |
https://github.com/pallets/flask/pull/2691 | issue tracking third party advisory patch |
https://github.com/pallets/flask/releases/tag/0.12.3 | third party advisory |
https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html | mailing list |
https://usn.ubuntu.com/4378-1/ | vendor advisory |