CVE-2021-20204 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Getdata Project	Getdata	0.10.0
Debian	Debian Linux	9.0
Fedoraproject	Fedora	33

Related Weaknesses (CWE)

CWE-119 CWE-416

References

https://bugzilla.redhat.com/show_bug.cgi?id=1956348Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00015.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1956348Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00015.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory

FAQ

What is CVE-2021-20204?

CVE-2021-20204 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 availab...

How severe is CVE-2021-20204?

CVE-2021-20204 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-20204?

Check the references section above for vendor advisories and patch information. Affected products include: Getdata Project Getdata, Debian Debian Linux, Fedoraproject Fedora.