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CVSS: 10.0EPSS: 26%CPEs: 36EXPL: 0

10 Jun 2015 — Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set. Desbordamiento de buffer basado en memoria dinámica en el controlador PCNET en QEMU permite a atacantes remotos ejecutar código arbitrario mediante el envío de un paquete con el juego TXSTATUS_STARTPACKET y posteriormente un paquete manipulado con el juego TXSTATUS_DEVICEOWNS. A flaw was found in... • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •

CVSS: 8.6EPSS: 5%CPEs: 30EXPL: 0

27 Apr 2015 — The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section. El decodificador de frames websocket VNC en QEMU permite a atacantes remotos causar una denegación de servicio (consumo de CPU y memoria) a través de una gran (1) carga útil websocket o (2) sección de cabeceras HTTP It was found that the QEMU's websocket frame decoder processed incoming frames without limiting resources used ... • http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.7EPSS: 2%CPEs: 15EXPL: 0

11 Dec 2014 — The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data. La función host_from_stream_offset en arch_init.c en QEMU, cuando carga RAM durante la migración, permite a atacantes remotos ejecutar código arbitrario a través de un valor (1) offset o (2) length manipulado en datos savevm. It was found that certain values that were read when loading RAM during migrati... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08 • CWE-20: Improper Input Validation CWE-122: Heap-based Buffer Overflow •

CVSS: 7.5EPSS: 0%CPEs: 99EXPL: 0

11 Nov 2014 — The _gnutls_ecc_ansi_x963_export function in gnutls_ecc.c in GnuTLS 3.x before 3.1.28, 3.2.x before 3.2.20, and 3.3.x before 3.3.10 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted (1) Elliptic Curve Cryptography (ECC) certificate or (2) certificate signing requests (CSR), related to generating key IDs. La función _gnutls_ecc_ansi_x963_export en gnutls_ecc.c en GnuTLS 3.x anterior a 3.1.28, 3.2.x anterior a 3.2.20, y 3.3.x anterior a 3.3.10 permite a atacantes remotos... • http://lists.opensuse.org/opensuse-updates/2014-11/msg00084.html • CWE-122: Heap-based Buffer Overflow CWE-310: Cryptographic Issues •

CVSS: 7.5EPSS: 3%CPEs: 22EXPL: 0

07 Nov 2014 — The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value. La función set_pixel_format en ui/vnc.c en QEMU permite a atacantes remotos causar una denegación de servicio (caída) a través de valores pequeños de bytes_per_pixel. An uninitialized data structure use flaw was found in the way the set_pixel_format() function sanitized the value of bits_per_pixel. An attacker able to access a guest's VNC console could use this fl... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e6908bfe8e07f2b452e78e677da1b45b1c0f6829 • CWE-20: Improper Input Validation •

CVSS: 5.0EPSS: 94%CPEs: 147EXPL: 6

15 Oct 2014 — The SSL protocol 3.0, as used in OpenSSL through 1.0.1i and other products, uses nondeterministic CBC padding, which makes it easier for man-in-the-middle attackers to obtain cleartext data via a padding-oracle attack, aka the "POODLE" issue. El protocolo SSL 3.0, utilizado en OpenSSL hasta 1.0.1i y otros productos, utiliza relleno (padding) CBC no determinístico, lo que facilita a los atacantes man-in-the-middle obtener datos de texto plano a través de un ataque de relleno (padding) oracle, también conocid... • https://github.com/mikesplain/CVE-2014-3566-poodle-cookbook • CWE-310: Cryptographic Issues CWE-757: Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade') •

CVSS: 7.5EPSS: 0%CPEs: 25EXPL: 0

06 Oct 2014 — The VGA emulator in QEMU allows local guest users to read host memory by setting the display to a high resolution. El emulador VGA en QEMU permite a usuarios locales invitados leer la memoria del anfitrión mediante la configuración de la pantalla a una resolución alta. An information leak flaw was found in the way QEMU's VGA emulator accessed frame buffer memory for high resolution displays. A privileged guest user could use this flaw to leak memory contents of the host to the guest by setting the display t... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ab9509cceabef28071e41bdfa073083859c949a7 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 10.0EPSS: 88%CPEs: 345EXPL: 23

25 Sep 2014 — GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a ... • https://packetstorm.news/files/id/128650 • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-228: Improper Handling of Syntactically Invalid Structure •

CVSS: 10.0EPSS: 94%CPEs: 345EXPL: 135

24 Sep 2014 — GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution, aka "ShellShock." N... • https://packetstorm.news/files/id/181111 • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-94: Improper Control of Generation of Code ('Code Injection') •

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 •