Pallets Project Flask is vulnerable to Denial of Service via Unexpected memory usage

2019-07-1916:12:46

Google

osv.dev

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.004 Low

EPSS

Percentile

72.7%

JSON

The Pallets Project Flask before 1.0 is affected by unexpected memory usage. The impact is denial of service. The attack vector is crafted encoded JSON data. The fixed version is 1. NOTE this may overlap CVE-2018-1000656.

CPENameOperatorVersion
flaskeq0.12.2
flaskeq0.12.4
flaskeq0.8.1
flaskeq0.7.2
flaskeq0.10
flaskeq0.5.2
flaskeq0.10.1
flaskeq0.7.1
flaskeq0.1
flaskeq0.12.3