CVE-2019-16226
HIGHCVSS 7.5/10EPSS 1.54%
Last modified
CVE-2019-16226 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.54% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Py-Lmdb Project | Py-Lmdb | <= 0.97 |
References
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vulnExploit, Third Party Advisory
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vulnExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16226?
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.
How severe is CVE-2019-16226?
CVE-2019-16226 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16226?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-16226?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST