CVE-2019-16226 Information

Description

An issue was discovered in py-lmdb 0.97. mdb_node_del does not validate a memmove in the case of an unexpected node-mn_hi 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:N/I:N/A:H

Reference

https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb20memory20corruption20vuln

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5