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Wed, 2 Feb 2022 12:48:56 GMT (envelope-from git) Date: Wed, 2 Feb 2022 12:48:56 GMT Message-Id: <202202021248.212CmunT063810@gitrepo.freebsd.org> To: ports-committers@FreeBSD.org, dev-commits-ports-all@FreeBSD.org, dev-commits-ports-main@FreeBSD.org From: Dave Cottlehuber Subject: git: e69764d9dcba - main - security/vuxml: add h2o-devel vuln details List-Id: Commit messages for all branches of the ports repository List-Archive: https://lists.freebsd.org/archives/dev-commits-ports-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-ports-all@freebsd.org X-BeenThere: dev-commits-ports-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dch X-Git-Repository: ports X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: e69764d9dcba833f8926926f55a5630d8cb5e47b Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1643806137; 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mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by dch: URL: https://cgit.FreeBSD.org/ports/commit/?id=e69764d9dcba833f8926926f55a5630d8cb5e47b commit e69764d9dcba833f8926926f55a5630d8cb5e47b Author: Dave Cottlehuber AuthorDate: 2022-02-02 12:46:02 +0000 Commit: Dave Cottlehuber CommitDate: 2022-02-02 12:48:15 +0000 security/vuxml: add h2o-devel vuln details Security: CVE-2021-43848 --- security/vuxml/vuln-2022.xml | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/security/vuxml/vuln-2022.xml b/security/vuxml/vuln-2022.xml index 03cef361acd5..4f4068dff9f1 100644 --- a/security/vuxml/vuln-2022.xml +++ b/security/vuxml/vuln-2022.xml @@ -1,3 +1,41 @@ + + h2o -- uninitialised memory access in HTTP3 + + + h2o-devel + 2.3.0.d.20220131 + + + + +

Emil Lerner reports:

+
+

When receiving QUIC frames in certain order, HTTP/3 server-side + implementation of h2o can be misguided to treat uninitialized + memory as HTTP/3 frames that have been received. When h2o is + used as a reverse proxy, an attacker can abuse this vulnerability + to send internal state of h2o to backend servers controlled by + the attacker or third party. Also, if there is an HTTP endpoint + that reflects the traffic sent from the client, an attacker can + use that reflector to obtain internal state of h2o.

+

This internal state includes traffic of other connections in + unencrypted form and TLS session tickets.

+

This vulnerability exists in h2o server with HTTP/3 + support, between commit 93af138 and d1f0f65. None of the + released versions of h2o are affected by this vulnerability.

+
+ + + + CVE-2021-43848 + https://github.com/h2o/h2o/security/advisories/GHSA-f9xw-j925-m4m4 + + + 2021-01-31 + 2022-02-02 + + + FreeBSD -- vt console buffer overflow