VulnerabilityModified
CVE-2019-16227
NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.
CRITICAL 9.8EPSS 1.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in py-lmdb 0.97. For certain values of mn_flags, mdb_cursor_set triggers a memcpy with an invalid write operation within mdb_xcursor_init1. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.96% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- py-lmdb project/py-lmdb
- Source
- cve@mitre.org
References
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memcpy%20illegal%20dstExploit, Third Party Advisory
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memcpy%20illegal%20dstExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.