CVE-2021-20204: Use After Free
First published: Mon May 03 2021(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Getdata Project Getdata | =0.10.0 | |
| Debian Debian Linux | =9.0 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1917635
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1956350
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1956348#c3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1956348#c10
- https://bugzilla.redhat.com/show_bug.cgi?id=1956348
- https://lists.debian.org/debian-lts-announce/2021/05/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/43JTGEMYMCTHD3LHFD7ENBNSWCNBCYEY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GB7T7DW7XRPJOUE25ZE7GF244FPCHBWY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OE23HBLIVKVPOQ5MVADWPOCFMREVF4QZ/
- agent/author
- agent/type
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/severity
- agent/references
- agent/weakness
- agent/softwarecombine
- agent/event
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-20204
- agent/tags
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/getdata project
- canonical/getdata project getdata
- version/getdata project getdata/0.10.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35