Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1yOGc5LXc0ZjMtOWNybc4AAiBx

LMDB invalid write

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.

Permalink: https://github.com/advisories/GHSA-r8g9-w4f3-9crm
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1yOGc5LXc0ZjMtOWNybc4AAiBx
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 2 years ago
Updated: 11 months ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-r8g9-w4f3-9crm, CVE-2019-16226
References:

• https://nvd.nist.gov/vuln/detail/CVE-2019-16226
• https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vuln
• https://github.com/jnwatson/py-lmdb/issues/210
• https://github.com/LMDB/lmdb/blob/mdb.master/libraries/liblmdb/mdb.c#L8443-L8498
• https://github.com/advisories/GHSA-r8g9-w4f3-9crm

Repository: https://github.com/TeamSeri0us/pocs
Blast Radius: 26.2

Affected Packages