Bug 2155819 (CVE-2022-4639)

Summary:	CVE-2022-4639 sslh: format string vulnerability
Product:	[Other] Security Response	Reporter:	Patrick Del Bello <pdelbell>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2022-12-24 13:38:02 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:	2155820, 2155821
Bug Blocks:

Description Patrick Del Bello 2022-12-22 13:12:54 UTC

A vulnerability, which was classified as critical, has been found in sslh. This issue affects the function hexdump of the file probe.c of the component Packet Dumping Handler. The manipulation of the argument msg_info leads to format string. The attack may be initiated remotely. The name of the patch is b19f8a6046b080e4c2e28354a58556bb26040c6f. It is recommended to apply a patch to fix this issue. The identifier VDB-216497 was assigned to this vulnerability.

https://github.com/yrutschle/sslh/pull/353
https://github.com/yrutschle/sslh/commit/b19f8a6046b080e4c2e28354a58556bb26040c6f
https://vuldb.com/?id.216497

Comment 1 Patrick Del Bello 2022-12-22 13:14:41 UTC

Created sslh tracking bugs for this issue:

Affects: epel-all [bug 2155820]
Affects: fedora-all [bug 2155821]

Comment 2 Product Security DevOps Team 2022-12-24 13:38:00 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.