Vulnerability Details : CVE-2018-1000656
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.
Vulnerability category: Input validationDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-1000656
Probability of exploitation activity in the next 30 days: 0.26%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 65 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-1000656
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-1000656
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-1000656
-
https://github.com/pallets/flask/pull/2691
detect UTF encodings when loading json by davidism · Pull Request #2691 · pallets/flask · GitHubIssue Tracking;Patch;Third Party Advisory
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https://github.com/pallets/flask/releases/tag/0.12.3
Release 0.12.3 · pallets/flask · GitHubThird Party Advisory
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https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html
[SECURITY] [DLA 1892-1] flask security update
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https://security.netapp.com/advisory/ntap-20190221-0001/
CVE-2018-1000656 Flask Vulnerability in NetApp Products | NetApp Product SecurityPatch;Third Party Advisory
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https://usn.ubuntu.com/4378-1/
USN-4378-1: Flask vulnerability | Ubuntu security notices
Products affected by CVE-2018-1000656
- cpe:2.3:a:netapp:hyper_converged_infrastructure:*:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq:*:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_utility:*:*:*:*:*:*:*:*
- cpe:2.3:a:palletsprojects:flask:*:*:*:*:*:*:*:*