CVE-2019-12760

Published Jun 6, 2019

Last updated 3 months ago

Overview

Description
A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can be written to a cache grammar file and that its parsing can be triggered, this flaw leads to Arbitrary Code Execution. NOTE: This is disputed because "the cache directory is not under control of the attacker in any common configuration.
Source
cve@mitre.org
NVD status
Modified
CNA Tags
disputed

Risk scores

CVSS 3.1

Type
Secondary
Base score
3.3
Impact score
2.5
Exploitability score
0.7
Vector string
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
Severity
LOW

CVSS 3.0

Type
Primary
Base score
7.5
Impact score
5.9
Exploitability score
1.6
Vector string
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
6
Impact score
6.4
Exploitability score
6.8
Vector string
AV:N/AC:M/Au:S/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-502

Social media

Hype score
Not currently trending

Configurations