Bug 722740 (CVE-2020-12823)

Summary:	<net-vpn/openconnect-8.09-r1: Buffer overflow in get_cert_name (CVE-2020-12823)
Product:	Gentoo Security	Reporter:	Sam James <sam>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	minor	CC:	floppym
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
See Also:	https://bugs.gentoo.org/show_bug.cgi?id=721570
Whiteboard:	B2 [glsa+ cve]
Package list:		Runtime testing required:	---
Bug Depends on:	719108
Bug Blocks:

Description Sam James archtester

2020-05-12 17:13:19 UTC

Description:
"OpenConnect 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."

Patch: https://gitlab.com/openconnect/openconnect/-/merge_requests/108/diffs?commit_id=eef4c1f9d24478aa1d2dd9ac7ec32efb2137f474

This has already been applied in Gentoo and stabilisation is done as part of bug 719108.

Comment 1 GLSAMaker/CVETool Bot gentoo-dev

2020-06-15 15:48:02 UTC

This issue was resolved and addressed in
 GLSA 202006-15 at https://security.gentoo.org/glsa/202006-15
by GLSA coordinator Aaron Bauman (b-man).