CVE-2019-16226 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

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%20memory%20corruption%ExploitThird Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%ExploitThird Party Advisory

FAQ

What is CVE-2019-16226?

CVE-2019-16226 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 access...

How severe is CVE-2019-16226?

CVE-2019-16226 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-16226?

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