CVE-2019-16225 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Py-Lmdb Project	Py-Lmdb	<= 0.97

Related Weaknesses (CWE)

CWE-787

References

https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20write%20to%20illegalExploitThird Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20write%20to%20illegalExploitThird Party Advisory

FAQ

What is CVE-2019-16225?

CVE-2019-16225 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 wh...

How severe is CVE-2019-16225?

CVE-2019-16225 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-16225?

Check the references section above for vendor advisories and patch information. Affected products include: Py-Lmdb Project Py-Lmdb.