Arbitrary File Write when Extracting Tarballs in greenplum-db

published 2023-05-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35455

cvss: 7.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

Greenplum Database (GPDB) is an open source data warehouse based on PostgreSQL. In versions prior to 6.22.3 Greenplum Database used an unsafe methods to extract tar files within GPPKGs. greenplum-db is vulnerable to path traversal leading to arbitrary file writes. An attacker can use this vulnerability to overwrite data or system files potentially leading to crash or malfunction of the system. Any files which are accessible to the running process are at risk. All users are requested to upgrade to Greenplum Database version 6.23.2 or higher. There are no known workarounds for this vulnerability.

Patch / fix

fixed in 1 links 1

vmware greenplum_database 6.22.3

github.com/greenplum-db/gpdb@1ec4aff commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-22)

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

greenplum-db gpdb

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

CVE List CVE-2023-31131
NVD CVE-2023-31131

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary