SCA: security update for flask (GHSA-562c-5r94-xh97)

high Tenable Self-Hosted Container Security Plugin ID 422451

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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-2018-1000656)

See Also

https://github.com/advisories/GHSA-562c-5r94-xh97

Plugin Details

Severity: High

ID: 422451

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 8/8/2025

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.39

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2018-1000656

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/23/2018

Vulnerability Publication Date: 8/20/2018

Reference Information

CVE: CVE-2018-1000656

cwe: CWE-20