CVE-2019-12760

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.

Risk Information

Base Score

7.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.67

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2019-12760 are fixed in Python-parso 0.5.0	Windows
Vulnerabilities CVE-2019-12760 are fixed in Python-parso for linux 0.5.0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234