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CVE-2019-16228

Date: September 11, 2019

An issue was discovered in py-lmdb 0.97. There is a divide-by-zero error in the function mdb_env_open2 if mdb_env_read_header obtains a zero value for a certain size field. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.

Language: Python

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2019-16228
https://pypi.org/project/lmdb
https://github.com/jnwatson/py-lmdb
https://github.com/pypa/advisory-database/tree/main/vulns/lmdb/PYSEC-2019-240.yaml
https://github.com/TeamSeri0us/pocs/tree/master/lmdb/FPE
https://www.mend.io/vulnerability-database/CVE-2019-16228

Severity Score

Weakness Type (CWE)

Divide By Zero

CWE-369

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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