Bug 1974694 (CVE-2021-33833) - CVE-2021-33833 connman: stack based buffer overflow in uncompress in dnsproxy.c
Summary: CVE-2021-33833 connman: stack based buffer overflow in uncompress in dnsproxy.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-33833
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1974695
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-06-22 10:34 UTC by Marian Rehak
Modified: 2021-10-28 05:29 UTC (History)
1 user (show)

Fixed In Version: connman 1.39
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Clone Of:
Environment:
Last Closed: 2021-10-28 05:29:57 UTC
Embargoed:

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Description Marian Rehak 2021-06-22 10:34:47 UTC 
ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).

Reference:

http://www.openwall.com/lists/oss-security/2021/06/09/1
https://lore.kernel.org/connman/
Comment 1 Marian Rehak 2021-06-22 10:35:10 UTC 
Created connman tracking bugs for this issue:

Affects: fedora-all [bug 1974695]
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