CVE-2021-20204
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Getdata
PublishedMay 6, 2021
First seenMay 6, 2021
Weakness typeCWE-119Memory buffer bounds error
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OE23HBLIVKVPOQ5MVADWPOCFMREVF4QZ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/43JTGEMYMCTHD3LHFD7ENBNSWCNBCYEY/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GB7T7DW7XRPJOUE25ZE7GF244FPCHBWY/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| getdata_project getdata | 0.10.0 | — |
| debian debian_linux | 9.0 | — |
| fedoraproject fedora | 33, 34, 35 | — |
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