critical9.8
CVE-2019-16224
py-lmdb Invalid write operation
Impact
An issue was discovered in py-lmdb 0.97. For certain values of `md_flags`, `mdb_node_add` does not properly set up a memcpy destination, leading to an invalid write operation. NOTE: this outcome occurs when accessing a `data.mdb` file supplied by an attacker.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | lmdb | <= 0.97 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Py-Lmdb Project | Py-Lmdb | through 0.97 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20initialization%20vuln
- https://github.com/advisories/GHSA-9q62-r72g-pvv7
- https://nvd.nist.gov/vuln/detail/CVE-2019-16224
- https://github.com/pypa/advisory-database/tree/main/vulns/lmdb/PYSEC-2019-236.yaml
- https://pypi.org/project/lmdb