CVE-2021-3673: Input Validation
First published: Mon Aug 02 2021(Updated: )
A vulnerability was found in Radare2 in version 5.3.1. Improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS.
Credit: patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Radare Radare2 | =5.3.1 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1989130
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IQIRJ72UALGMSWH6MYPVJQQLXFGZ23RS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIARALLVVY2362AYFSFULTZKIW6QO5R5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NFQPEPMLAOQNGZG5OHSPZBNONGG4DDJO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKGIB52R4XPCPNEW6GF56EHW7ST24IJU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XGOU2EFE7YK2YDRNFV6QFUWW2SL2GGQA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIARALLVVY2362AYFSFULTZKIW6QO5R5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NFQPEPMLAOQNGZG5OHSPZBNONGG4DDJO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XGOU2EFE7YK2YDRNFV6QFUWW2SL2GGQA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKGIB52R4XPCPNEW6GF56EHW7ST24IJU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQIRJ72UALGMSWH6MYPVJQQLXFGZ23RS/
- https://github.com/radareorg/radare2/issues/18923
- https://github.com/radareorg/radare2/commit/d7ea20fb2e1433ebece9f004d87ad8f2377af23d
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1989137
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1989136
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2021-3673.
What is the severity of CVE-2021-3673?
The severity of CVE-2021-3673 is high with a CVSS score of 7.5.
How does CVE-2021-3673 affect Radare2?
CVE-2021-3673 affects Radare2 version 5.3.1.
What is the impact of CVE-2021-3673?
CVE-2021-3673 can lead to resource exhaustion and DoS.
How can I fix CVE-2021-3673?
To fix CVE-2021-3673, update to a patched version of Radare2 (version 5.3.2 or later).
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-3673
- agent/author
- agent/remedy
- agent/severity
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/tags
- agent/event
- vendor/radare
- canonical/radare radare2
- version/radare radare2/5.3.1
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35