Bug 2186337 (CVE-2023-28488)

Summary:	CVE-2023-28488 connman: stack-based buffer overflow in client.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	Keywords:	Security
Target Milestone:	---
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Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Last Closed:	2023-04-13 02:06:24 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2186338
Bug Blocks:

Description Pedro Sampaio 2023-04-12 21:26:09 UTC

client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers (operating a crafted DHCP server) to cause a stack-based buffer overflow and denial of service, terminating the connman process.

https://github.com/moehw/poc_exploits/tree/master/CVE-2023-28488
https://kernel.googlesource.com/pub/scm/network/connman/connman/+/99e2c16ea1cced34a5dc450d76287a1c3e762138

Comment 1 Pedro Sampaio 2023-04-12 21:26:24 UTC

Created connman tracking bugs for this issue:

Affects: epel-7 [bug 2186338]

Comment 2 Product Security DevOps Team 2023-04-13 02:06:23 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.