CVE-2021-20204Improper Restriction of Operations within the Bounds of a Memory Buffer in Libgetdata

Severity
9.8CRITICALNVD
EPSS
2.3%
top 15.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 6
Latest updateMay 24

Description

A heap memory corruption problem (use after free) can be triggered in libgetdata v0.10.0 when processing maliciously crafted dirfile databases. This degrades the confidentiality, integrity and availability of third-party software that uses libgetdata as a library. This vulnerability may lead to arbitrary code execution or privilege escalation depending on input/skills of attacker.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

debiandebian/libgetdata< libgetdata 0.10.0-10 (bookworm)
CVEListV5getdata_project/getdatav0.10.0

Also affects: Debian Linux 9.0, Fedora 33, 34, 35

🔴Vulnerability Details

2
GHSA
GHSA-mjc7-82x6-3544: A heap memory corruption problem (use after free) can be triggered in libgetdata v02022-05-24
OSV
CVE-2021-20204: A heap memory corruption problem (use after free) can be triggered in libgetdata v02021-05-06

📋Vendor Advisories

1
Debian
CVE-2021-20204: libgetdata - A heap memory corruption problem (use after free) can be triggered in libgetdata...2021
CVE-2021-20204 — Debian Libgetdata vulnerability | cvebase