CVE-2019-16225 Information

Description

An issue was discovered in py-lmdb 0.97. For certain values of mp_flags mdb_page_touch does not properly set up mc-mc_pg[mc-top] leading to an invalid write operation. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb20write20to20illegal20address

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8