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Message-ID: <CAA8xKjULPZw04YY9fd1d83893mmqXX_qp1UjRZdAWP7fU3yC_A@mail.gmail.com>
Date: Mon, 4 Jan 2021 09:28:09 +0100
From: Mauro Matteo Cascella <mcascell@...hat.com>
To: oss-security@...ts.openwall.com
Cc: dpdk-announce <announce@...k.org>, security@...k.org, security-prerelease@...k.org,
"dev@...k.org" <dev@...k.org>
Subject: Re: DPDK security advisory for multiple vhost crypto issues
Hello,
Is there any particular reason for the Scope metric to be Unchanged
(S:U) for CVE-2020-14377 and CVE-2020-14378?
Thank you,
On Mon, Sep 28, 2020 at 5:43 PM Ferruh Yigit <ferruh.yigit@...el.com> wrote:
>
> A set of vulnerabilities are fixed in DPDK:
> - CVE-2020-14374
> - CVE-2020-14375
> - CVE-2020-14376
> - CVE-2020-14377
> - CVE-2020-14378
>
> Some downstream stakeholders were warned in advance in order to coordinate the
> release of fixes and reduce the vulnerability window.
>
> Problem:
> A malicious guest can harm the host using vhost crypto, this includes
> executing code in host (VM Escape), reading host application memory
> space to guest and causing partially denial of service in the host.
>
> All users of the vhost library are strongly encouraged to upgrade as soon as
> possible.
>
> Thanks to "Ryan Hall <ryan.e.hall@...el.com>" for reporting the issues.
>
>
> Stable releases download links:
>
> DPDK 18.11.10 (LTS)
> http://fast.dpdk.org/rel/dpdk-18.11.10.tar.xz
>
> DPDK 19.11.5 (LTS)
> https://fast.dpdk.org/rel/dpdk-19.11.5.tar.xz
>
>
> Details:
>
> CVE: CVE-2020-14374
> Bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=272
> Severity: 8.8 (High)
> CVSS scores: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
> Summary : Remote Code Execution in vhost_crypto (VM Escape)
> Reporter: Ryan Hall <ryan.e.hall@...el.com>
>
> CVE: CVE-2020-14375
> Bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=272
> Severity: 7.8 (High)
> CVSS scores: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
> Summary : Time-of-check time-of-use vulnerabilities throughout vhost_crypto.c
> Reporter: Ryan Hall <ryan.e.hall@...el.com>
>
> CVE: CVE-2020-14376
> Bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=272
> Severity: 7.8 (High)
> CVSS scores: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
> Summary : Buffer overflow copying iv_data from guest to
> host(prepare_sym_cipher_op & prepare_sym_chain_op)
> Reporter: Ryan Hall <ryan.e.hall@...el.com>
>
> CVE: CVE-2020-14377
> Bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=272
> Severity: 7.1 (High)
> CVSS scores: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
> Summary: write_back_data buffer over read (cipher->para.dst_data_len &
> desc->len)
> Reporter: Ryan Hall <ryan.e.hall@...el.com>
>
> CVE: CVE-2020-14378
> Bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=272
> Severity: 3.3 (Low)
> CVSS scores: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
> Summary : Partial Denial of Service due to Integer Underflow
> Reporter: Ryan Hall <ryan.e.hall@...el.com>
>
>
> Commits:
> main repo (will be 20.11.0)
> https://git.dpdk.org/dpdk/commit/?id=57680e34498
> https://git.dpdk.org/dpdk/commit/?id=5677e68c05d
> https://git.dpdk.org/dpdk/commit/?id=b2866f47336
> https://git.dpdk.org/dpdk/commit/?id=409c47c7c5b
> https://git.dpdk.org/dpdk/commit/?id=e15b7c01120
> https://git.dpdk.org/dpdk/commit/?id=2d962bb7365
>
> DPDK 18.11.10 (LTS)
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=ab6314978567
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=7a5af91f8bf4
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=7e7c75edc635
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=ff65dc28bc71
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=75f8df70a2c8
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=6e8a4da39e68
>
> DPDK 19.11.5 (LTS)
> https://git.dpdk.org/dpdk-stable/commit/?h=19.11&id=3f2635c5a9c3
> https://git.dpdk.org/dpdk-stable/commit/?h=19.11&id=81e969483020
> https://git.dpdk.org/dpdk-stable/commit/?h=19.11&id=e4a7c14f0248
> https://git.dpdk.org/dpdk-stable/commit/?h=19.11&id=319b498e4b16
> https://git.dpdk.org/dpdk-stable/commit/?h=19.11&id=6a3a414698e4
> https://git.dpdk.org/dpdk-stable/commit/?h=19.11&id=e2666ec24535
>
> --
> DPDK Security Team
> http://core.dpdk.org/security/
>
>
>
>
>
>
>
>
--
Mauro Matteo Cascella
Red Hat Product Security
PGP-Key ID: BB3410B0
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