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CVSS: 7.5EPSS: 1%CPEs: 27EXPL: 0

11 Jun 2014 — The virtio_load function in virtio/virtio.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds write. La función virtio_load en virtio/virtio.c en QEMU 1.x anterior a 1.7.2 permite a atacantes remotos ejecutar código arbitrario a través de un imagen savevm manipulado, lo que provoca una escritura fuera de rango. Sibiao Luo discovered that QEMU incorrectly handled device hot-unplugging. A local user could possibly use this fl... • http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=cc45995294b92d95319b4782750a3580cabdbc0c • CWE-94: Improper Control of Generation of Code ('Code Injection') CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 1%CPEs: 92EXPL: 0

11 Jun 2014 — Array index error in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image. Error del indice del array en la función virtio_load en hw/virtio/virtio.c en QEMU anterior a 1.7.2 permite a atacantes remotos ejecutar código arbitrario a través de un imagen savevm manipulado. Sibiao Luo discovered that QEMU incorrectly handled device hot-unplugging. A local user could possibly use this flaw to cause a denial of service. Mi... • http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=4b53c2c72cb5541cf394033b528a6fe2a86c0ac1 • CWE-94: Improper Control of Generation of Code ('Code Injection') CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0

11 Jun 2014 — The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read. La función virtqueue_map_sg en el archivo hw/virtio/virtio.c en QEMU versiones anteriores a 1.7.2, permite a atacantes remotos ejecutar archivos arbitrarios por medio de una imagen savevm diseñada, relacionada con una lectura virtio-block o virtio-serial. Sibiao Luo discovered that QEMU incorrectly handled devic... • http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=36cf2a37132c7f01fa9adb5f95f5312b27742fd4 • CWE-20: Improper Input Validation CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 1%CPEs: 92EXPL: 0

11 Jun 2014 — The usb_device_post_load function in hw/usb/bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, related to a negative setup_len or setup_index value. La función usb_device_post_load en hw/usb/bus.c en QEMU anterior a 1.7.2 podría permitir a atacantes remotos ejecutar código arbitrario a través de un imagen savevm manipulado, relacionado con un valor setup_len o setup_index negativo. Sibiao Luo discovered that QEMU incorrectly handled device hot-unplu... • http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f8e9895c504149d7048e9fc5eb5cbb34b16e49a • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 2%CPEs: 92EXPL: 0

11 Jun 2014 — The virtio_scsi_load_request function in hw/scsi/scsi-bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds array access. La función virtio_scsi_load_request en hw/scsi/scsi-bus.c en QEMU anterior a 1.7.2 podría permitir a atacantes remotos ejecutar código arbitrario a través de un imagen savevm manipulado, lo que provoca un acceso al array fuera de rango. Sibiao Luo discovered that QEMU incorrectly handled device hot-un... • http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=3c3ce981423e0d6c18af82ee62f1850c2cda5976 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 3%CPEs: 92EXPL: 0

11 Jun 2014 — Heap-based buffer overflow in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted config length in a savevm image. Desbordamiento de buffer basado en memoria dinámica en la función virtio_load en hw/virtio/virtio.c en QEMU anterior a 1.7.2 podría permitir a atacantes remotos ejecutar código arbitrario a través de una longitud de configuración manipulada en un imagen savevm. Sibiao Luo discovered that QEMU incorrectly handle... • http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=a890a2f9137ac3cf5b607649e66a6f3a5512d8dc • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •

CVSS: 8.8EPSS: 0%CPEs: 33EXPL: 0

28 Apr 2014 — hw/net/vmxnet3.c in QEMU 2.0.0-rc0, 1.7.1, and earlier allows local guest users to cause a denial of service or possibly execute arbitrary code via vectors related to (1) RX or (2) TX queue numbers or (3) interrupt indices. NOTE: some of these details are obtained from third party information. hw/net/vmxnet3.c en QEMU 2.0.0-rc0, 1.7.1, y anteriores permite a usuarios locales invitados causar una denegación de servicio o posiblemente ejecutar código arbitrario a través de vectores relacionados con números de... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3c99afc779c2c78718a565ad8c5e98de7c2c7484 • CWE-20: Improper Input Validation •

CVSS: 8.8EPSS: 0%CPEs: 108EXPL: 0

23 Apr 2014 — Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption. Error de superación de límite (off-by-one) en la función cmd_smart en la autoprueba SMART en hw/ide/core.c en QEMU anterior a 2.0 permite a usuarios locales tener impacto no especificado a través de un comando SMART EXECUTE OFFLINE que provoca un subdesbordamiento de buff... • http://rhn.redhat.com/errata/RHSA-2014-0704.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-189: Numeric Errors •

CVSS: 8.6EPSS: 2%CPEs: 9EXPL: 0

22 Apr 2014 — QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process. Los controladores de bloque de QEMU versiones anteriores a 2.0.0 para CLOOP, QCOW2 versión 2 y varios otros formatos de imagen son vulnerables a posibles corrupciones de memoria, desbordamient... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=24342f2cae47d03911e346fe1e520b00dc2818e0 • CWE-20: Improper Input Validation •

CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0

22 Apr 2014 — Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS. El controlador de bloques de Qemu versiones anteriores a 2.0 para imágenes VHDX de Hyper-V es vulnerable a bucles inf... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •