Bug 1839222 (CVE-2020-12823)

Summary:	CVE-2020-12823 openconnect: buffer overflow via crafted certificate data to get_cert_name function in gnutls.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	dwmw2
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Last Closed:	2021-10-28 05:26:38 UTC	Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description Guilherme de Almeida Suckevicz 2020-05-22 19:08:33 UTC

OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.

Reference:
https://gitlab.com/openconnect/openconnect/-/merge_requests/108