Bug 1212489 (CVE-2023-35784)

Summary:	VUL-0: CVE-2023-35784: libressl: double-free or use after free could occur after SSL_clear
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Thomas Leroy <thomas.leroy>
Component:	Incidents	Assignee:	Jan Engelhardt <jengelh>
Status:	NEW ---	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	security-team
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/369789/
Whiteboard:
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---
Bug Depends on:	1210313
Bug Blocks:

Description Thomas Leroy 2023-06-19 07:04:16 UTC

CVE-2023-35784

A double free or use after free could occur after SSL_clear in OpenBSD 7.2
before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and
3.7.x before 3.7.3. NOTE: OpenSSL is not affected.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-35784
https://www.cve.org/CVERecord?id=CVE-2023-35784
https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt
https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig
https://github.com/libressl/openbsd/commit/1d6680b3682f8caba78c627dee60c76da6e20dd7
https://github.com/libressl/openbsd/commit/96094ca8757b95298f49d65c813f303bd514b27b

Comment 1 Thomas Leroy 2023-06-19 07:06:33 UTC

openSUSE:Factory/libressl is affected

Comment 2 Jan Engelhardt 2023-06-19 07:36:40 UTC

1089535  State:review     By:staging-bot  When:2023-06-01T14:50:40
        Created by: jengelh
        submit:          security:tls/libressl@fb8add68cc657aa9ef4905d00f176537 -> openSUSE:Factory