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[83.57.170.138]) by smtp.gmail.com with ESMTPSA id k14sm29145343wrn.76.2020.07.14.06.58.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2020 06:58:16 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 0/9] sdcard: Fix CVE-2020-13253 Date: Tue, 14 Jul 2020 15:58:05 +0200 Message-Id: <20200714135814.19910-1-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::444; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x444.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: 0 X-Spam_score: 0.0 X-Spam_bar: / X-Spam_report: (0.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=1, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Bulekov , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-block@nongnu.org, Prasad J Pandit Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The following changes since commit 20c1df5476e1e9b5d3f5b94f9f3ce01d21f14c46: Merge remote-tracking branch 'remotes/kraxel/tags/fixes-20200713-pull-reque= st' into staging (2020-07-13 16:58:44 +0100) are available in the Git repository at: https://gitlab.com/philmd/qemu.git tags/sdcard-CVE-2020-13253-pull-request for you to fetch changes up to 790762e5487114341cccc5bffcec4cb3c022c3cd: hw/sd/sdcard: Do not switch to ReceivingData if address is invalid (2020-07= -14 15:46:14 +0200) ---------------------------------------------------------------- Fix CVE-2020-13253 By using invalidated address, guest can do out-of-bounds accesses. These patches fix the issue by only allowing SD card image sizes power of 2, and not switching to SEND_DATA state when the address is invalid (out of range). This issue was found using QEMU fuzzing mode (using --enable-fuzzing, see docs/devel/fuzzing.txt) and reported by Alexander Bulekov. Reproducer: https://bugs.launchpad.net/qemu/+bug/1880822/comments/1 CI jobs results: . https://cirrus-ci.com/build/5157142548185088 . https://gitlab.com/philmd/qemu/-/pipelines/166381731 . https://travis-ci.org/github/philmd/qemu/builds/707956535 ---------------------------------------------------------------- Niek Linnenbank (1): docs/orangepi: Add instructions for resizing SD image to power of two Philippe Mathieu-Daud=C3=A9 (8): MAINTAINERS: Cc qemu-block mailing list tests/acceptance/boot_linux: Tag tests using a SD card with 'device:sd' tests/acceptance/boot_linux: Expand SD card image to power of 2 hw/sd/sdcard: Restrict Class 6 commands to SCSD cards hw/sd/sdcard: Simplify realize() a bit hw/sd/sdcard: Do not allow invalid SD card sizes hw/sd/sdcard: Update coding style to make checkpatch.pl happy hw/sd/sdcard: Do not switch to ReceivingData if address is invalid docs/system/arm/orangepi.rst | 16 ++++- hw/sd/sd.c | 86 ++++++++++++++++++++------ MAINTAINERS | 1 + tests/acceptance/boot_linux_console.py | 34 +++++++--- 4 files changed, 106 insertions(+), 31 deletions(-) --=20 2.21.3