Bug 2057711 (CVE-2022-0476) - CVE-2022-0476 radare2: DoS caused by a malformed mdmp file
Summary: CVE-2022-0476 radare2: DoS caused by a malformed mdmp file
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-0476
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2057712 2057713 2057714 2057715
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-02-23 21:25 UTC by Anten Skrabec
Modified: 2022-03-03 00:20 UTC (History)
2 users (show)

Fixed In Version:
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Environment:
Last Closed: 2022-03-03 00:20:05 UTC
Embargoed:

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Description Anten Skrabec 2022-02-23 21:25:29 UTC 
Denial of Service in GitHub repository radareorg/radare2 prior to 5.6.4.
A malformed mdmp file causes a DoS attack and leads to resource exhaustion.

https://github.com/radareorg/radare2/commit/27fe8031782d3a06c3998eaa94354867864f9f1b
https://huntr.dev/bounties/81ddfbda-6c9f-4b69-83ff-85b15141e35d
Comment 1 Anten Skrabec 2022-02-23 21:25:55 UTC 
Created radare2 tracking bugs for this issue:

Affects: epel-7 [bug 2057714]
Affects: epel-8 [bug 2057715]
Affects: fedora-34 [bug 2057712]
Affects: fedora-35 [bug 2057713]
Comment 2 Product Security DevOps Team 2022-03-03 00:20:03 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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