Description

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.

INFO

Published Date :

Aug. 20, 2018, 7:31 p.m.

Last Modified :

June 9, 2020, 10:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2018-1000656 has a 10 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-1000656 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp hyper_converged_infrastructure
2 Netapp active_iq
3 Netapp ontap_select_deploy_utility
1 Palletsprojects flask
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-1000656.

URL Resource
https://github.com/pallets/flask/pull/2691 Issue Tracking Patch Third Party Advisory
https://github.com/pallets/flask/releases/tag/0.12.3 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html
https://security.netapp.com/advisory/ntap-20190221-0001/ Patch Third Party Advisory
https://usn.ubuntu.com/4378-1/

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Audits Python environments, requirements files and dependency trees for known security vulnerabilities, and can automatically fix them

pip python security security-audit supply-chain

Makefile Python

Updated: 4 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 21, 2024, 10:26 p.m. This repo has been linked 2 different CVEs too.

Pulsecheck - Get current and historical vulnerability insights from the GItHub Advisory Database https://github.com/advisories/database, by checking the pulse of your project’s dependencies delivered in an easy-to-use CLI.

Python

Updated: 7 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : Nov. 30, 2023, 2:07 p.m. This repo has been linked 3 different CVEs too.

None

Python

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Aug. 23, 2023, 6:52 a.m. This repo has been linked 1 different CVEs too.

None

Makefile Python

Updated: 1 year, 11 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 19, 2022, 10:59 a.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 2 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : June 8, 2022, 11:03 p.m. This repo has been linked 1 different CVEs too.

A Prometheus Exporter for managing vulnerabilities in kubernetes by using trivy

kubernetes prometheus-exporter trivy prometheus vulnerability-management

Go Dockerfile

Updated: 10 months ago
26 stars 1 fork 1 watcher
Born at : Jan. 17, 2022, 3:23 a.m. This repo has been linked 2 different CVEs too.

Audits Python environments, requirements files and dependency trees for known security vulnerabilities, and can automatically fix them

security security-audit python pip supply-chain

Makefile Python

Updated: 1 week, 6 days ago
957 stars 62 fork 62 watcher
Born at : Sept. 2, 2021, 3:19 p.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 3 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 22, 2021, 10:17 p.m. This repo has been linked 1 different CVEs too.

A CLI tool for interacting with the Snyk API.

crystal-lang snyk

Makefile Crystal

Updated: 2 years, 9 months ago
11 stars 4 fork 4 watcher
Born at : July 11, 2020, 6:18 p.m. This repo has been linked 1 different CVEs too.

A Python client for the Snyk API.

snyk python api

Python

Updated: 2 weeks, 3 days ago
84 stars 113 fork 113 watcher
Born at : Feb. 3, 2019, 5:59 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-1000656 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-1000656 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 09, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4378-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 25, 2019

    Action Type Old Value New Value
    Changed Description 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. 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.
  • CVE Modified by [email protected]

    Aug. 20, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/08/msg00025.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 28, 2019

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20190221-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20190221-0001/ Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:active_iq:*:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hyper_converged_infrastructure:*:*:*:*:*:*:*:* *cpe:2.3:a:netapp:ontap_select_deploy_utility:*:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 22, 2019

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20190221-0001/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 29, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/pallets/flask/pull/2691 No Types Assigned https://github.com/pallets/flask/pull/2691 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/pallets/flask/releases/tag/0.12.3 No Types Assigned https://github.com/pallets/flask/releases/tag/0.12.3 Third Party Advisory
    Added CWE CWE-20
    Added CPE Configuration OR *cpe:2.3:a:palletsprojects:flask:*:*:*:*:*:*:*:* versions up to (excluding) 0.12.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-1000656 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-1000656 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-23: File Content Injection File Content Injection CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-63: Cross-Site Scripting (XSS) Cross-Site Scripting (XSS) CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-73: User-Controlled Filename User-Controlled Filename CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-81: Web Server Logs Tampering Web Server Logs Tampering CAPEC-83: XPath Injection XPath Injection CAPEC-85: AJAX Footprinting AJAX Footprinting CAPEC-88: OS Command Injection OS Command Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-104: Cross Zone Scripting Cross Zone Scripting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-109: Object Relational Mapping Injection Object Relational Mapping Injection CAPEC-110: SQL Injection through SOAP Parameter Tampering SQL Injection through SOAP Parameter Tampering CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-136: LDAP Injection LDAP Injection CAPEC-153: Input Data Manipulation Input Data Manipulation CAPEC-182: Flash Injection Flash Injection CAPEC-209: XSS Using MIME Type Mismatch XSS Using MIME Type Mismatch CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-250: XML Injection XML Injection CAPEC-261: Fuzzing for garnering other adjacent user/sensitive data Fuzzing for garnering other adjacent user/sensitive data CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-473: Signature Spoof Signature Spoof CAPEC-588: DOM-Based XSS DOM-Based XSS CAPEC-664: Server Side Request Forgery Server Side Request Forgery
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.37 }} 0.11%

score

0.72587

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability