CVE-2021-20204 — Improper 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
Affected products
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
Also affects: Debian Linux 9.0, Fedora 33, 34, 35
🔴Vulnerability Details
2📋Vendor Advisories
1Debian▶
CVE-2021-20204: libgetdata - A heap memory corruption problem (use after free) can be triggered in libgetdata...↗2021