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CVE-2017-7718 – Qemu: display: cirrus: OOB read access issue
https://notcve.org/view.php?id=CVE-2017-7718
20 Apr 2017 — hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions. En el archivo hw/display/cirrus_vga_rop.h en QEMU (también se conoce como Quick Emulator), permite a los usuarios privilegiados del sistema operativo invitado local causar una denegación de servicio (lectura fuera de límites y ... • http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=215902d7b6fb50c6fc216fc74f770858278ed904 • CWE-125: Out-of-bounds Read •
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CVE-2017-2633 – Qemu: VNC: memory corruption due to unchecked resolution limit
https://notcve.org/view.php?id=CVE-2017-2633
20 Apr 2017 — An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process. Se ha encontrado un problema de acceso a la memoria fuera de límites en Quick Emulator (QEMU) en versiones anteriores a la 1.7.2 en el controlador de pantalla VNC. Esta vulnerabilidad podría ocurrir mientras se refresca la sup... • http://www.openwall.com/lists/oss-security/2017/02/23/1 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •
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CVE-2016-9603 – Qemu: cirrus: heap buffer overflow via vnc connection
https://notcve.org/view.php?id=CVE-2016-9603
18 Apr 2017 — A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process. Se ha detectado una vulnerabilidad de desbordamiento de búfer basado en memoria dinámica (heap) en... • http://www.securityfocus.com/bid/96893 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-122: Heap-based Buffer Overflow •
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CVE-2017-2630 – Qemu: nbd: oob stack write in client routine drop_sync
https://notcve.org/view.php?id=CVE-2017-2630
11 Apr 2017 — A stack buffer overflow flaw was found in the Quick Emulator (QEMU) before 2.9 built with the Network Block Device (NBD) client support. The flaw could occur while processing server's response to a 'NBD_OPT_LIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process. Se ha encontrado un fallo de desbordamiento de búfer basado en pila en Quick Emulator (QEMU) en versiones ante... • http://www.openwall.com/lists/oss-security/2017/02/15/2 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-121: Stack-based Buffer Overflow •
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CVE-2017-7377 – Ubuntu Security Notice USN-3289-1
https://notcve.org/view.php?id=CVE-2017-7377
10 Apr 2017 — The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid. Las funciones de (1) v9fs_create y (2) v9fs_lcreate en hw/9pfs/9p.c en QEMU (también conocido como Quick Emulator) permiten a los usuarios privilegiados de usuarios locales huésped causar una denegación de servicio (descriptor de archivo o consumo de memoria) a t... • http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e • CWE-772: Missing Release of Resource after Effective Lifetime •
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CVE-2017-5973 – Qemu: usb: infinite loop while doing control transfer in xhci_kick_epctx
https://notcve.org/view.php?id=CVE-2017-5973
27 Mar 2017 — The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence. La función xhci_kick_epctx en hw/usb/hcd-xhci.c en QEMU (también conocido como Quick Emulator) permite a usuarios locales privilegiados del SO invitado provocar una denegación de servicio (bucle infinito y caída del proceso QEMU) a través de vectores relacionados c... • http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=f89b60f6e5fee3923bedf80e82b4e5efc1bb156b • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
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CVE-2016-9922 – Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy
https://notcve.org/view.php?id=CVE-2016-9922
27 Mar 2017 — The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values. La función cirrus_do_copy en hw/display/cirrus_vga.c en QEMU (también conocido como Quick Emulator), cuando el modo de gráficos cirrus es VGA, permite a usuarios locales privilegiados del SO invitado provocar una denegación de servicio (e... • http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 • CWE-369: Divide By Zero •
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CVE-2017-6058 – Gentoo Linux Security Advisory 201704-01
https://notcve.org/view.php?id=CVE-2017-6058
20 Mar 2017 — Buffer overflow in NetRxPkt::ehdr_buf in hw/net/net_rx_pkt.c in QEMU (aka Quick Emulator), when the VLANSTRIP feature is enabled on the vmxnet3 device, allows remote attackers to cause a denial of service (out-of-bounds access and QEMU process crash) via vectors related to VLAN stripping. Desbordamiento de búfer en NetRxPkt::ehdr_buf en hw/net/net_rx_pkt.c en QEMU (también conocido como Quick Emulator) cuando la característica VLANSTRIP está habilitada en el dispositivo vmxnet3, permite a atacantes remotos ... • http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=df8bf7a7fe75eb5d5caffa55f5cd4292b757aea6 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
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CVE-2017-5987 – Ubuntu Security Notice USN-3261-1
https://notcve.org/view.php?id=CVE-2017-5987
20 Mar 2017 — The sdhci_sdma_transfer_multi_blocks function in hw/sd/sdhci.c in QEMU (aka Quick Emulator) allows local OS guest privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors involving the transfer mode register during multi block transfer. La función sdhci_sdma_transfer_multi_blocks en hw/sd/sdhci.c en QEMU (también conocida como Quick Emulator) permiten a usuarios privilegiados invitados locales OS provocar una denegación de servicio (bucle infinito y caída del proceso ... • http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=6e86d90352adf6cb08295255220295cf23c4286e • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
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CVE-2017-5526 – Ubuntu Security Notice USN-3261-1
https://notcve.org/view.php?id=CVE-2017-5526
15 Mar 2017 — Memory leak in hw/audio/es1370.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations. Pérdida de memoria en hw/audio/es1370.c en QEMU (también conocido como Quick Emulator) permite a usuarios locales privilegiados del SO invitado provocar una denegación de servicio (consumo de memoria del host y caída del proceso QEMU) a través de un gran número de operaciones de desen... • http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=069eb7b2b8fc47c7cb52e5a4af23ea98d939e3da • CWE-401: Missing Release of Memory after Effective Lifetime •