jnwatson/py-lmdb · Security
py-lmdb Invalid write operation
- GHSA ID
- GHSA-c74c-p4p7-r8q5
- CVE ID
- CVE-2019-16225
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v4
- 9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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.
CWEs
- CWE-787 · Out-of-bounds Write
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-16225 ↗
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20write%20to%20illegal%20address ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/lmdb/PYSEC-2019-237.yaml ↗
- https://pypi.org/project/lmdb ↗
- https://github.com/advisories/GHSA-c74c-p4p7-r8q5 ↗