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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2017-15119 |
The Network Block Device (NBD) server in Quick Emulator (QEMU) before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS. Published: July 27, 2018; 12:29:00 PM -0400 |
V4.0:(not available) V3.0: 8.6 HIGH V2.0: 5.0 MEDIUM |
CVE-2017-7539 |
An assertion-failure flaw was found in Qemu before 2.10.1, in the Network Block Device (NBD) server's initial connection negotiation, where the I/O coroutine was undefined. This could crash the qemu-nbd server if a client sent unexpected data during connection negotiation. A remote user or process could use this flaw to crash the qemu-nbd server resulting in denial of service. Published: July 26, 2018; 10:29:00 AM -0400 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2017-7471 |
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System (9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host. Published: July 09, 2018; 10:29:00 AM -0400 |
V4.0:(not available) V3.1: 9.0 CRITICAL V2.0: 7.7 HIGH |
CVE-2017-2615 |
Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host. Published: July 02, 2018; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 9.1 CRITICAL V2.0: 9.0 HIGH |
CVE-2018-12617 |
qmp_guest_file_read in qga/commands-posix.c and qga/commands-win32.c in qemu-ga (aka QEMU Guest Agent) in QEMU 2.12.50 has an integer overflow causing a g_malloc0() call to trigger a segmentation fault when trying to allocate a large memory chunk. The vulnerability can be exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket. Published: June 21, 2018; 2:29:00 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2018-11806 |
m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams. Published: June 13, 2018; 12:29:01 PM -0400 |
V4.0:(not available) V3.1: 8.2 HIGH V2.0: 7.2 HIGH |
CVE-2016-9602 |
Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host. Published: April 26, 2018; 3:29:00 PM -0400 |
V4.0:(not available) V3.0: 8.8 HIGH V2.0: 9.0 HIGH |
CVE-2018-7858 |
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display. Published: March 12, 2018; 5:29:01 PM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0: 2.1 LOW |
CVE-2018-7550 |
The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access. Published: March 01, 2018; 12:29:00 PM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 4.6 MEDIUM |
CVE-2018-5683 |
The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation. Published: January 23, 2018; 1:29:00 PM -0500 |
V4.0:(not available) V3.1: 6.0 MEDIUM V2.0: 2.1 LOW |
CVE-2017-18030 |
The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch. Published: January 23, 2018; 1:29:00 PM -0500 |
V4.0:(not available) V3.1: 4.4 MEDIUM V2.0: 2.1 LOW |
CVE-2014-3471 |
Use-after-free vulnerability in hw/pci/pcie.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU instance crash) via hotplug and hotunplug operations of Virtio block devices. Published: January 12, 2018; 12:29:00 PM -0500 |
V4.0:(not available) V3.0: 5.5 MEDIUM V2.0: 2.1 LOW |
CVE-2017-15124 |
VNC server implementation in Quick Emulator (QEMU) 2.11.0 and older was found to be vulnerable to an unbounded memory allocation issue, as it did not throttle the framebuffer updates sent to its client. If the client did not consume these updates, VNC server allocates growing memory to hold onto this data. A malicious remote VNC client could use this flaw to cause DoS to the server host. Published: January 09, 2018; 4:29:00 PM -0500 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 7.8 HIGH |
CVE-2017-17381 |
The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings. Published: December 06, 2017; 9:29:13 PM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 2.1 LOW |
CVE-2017-16845 |
hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access. Published: November 17, 2017; 3:29:00 PM -0500 |
V4.0:(not available) V3.1: 10.0 CRITICAL V2.0: 6.4 MEDIUM |
CVE-2015-7504 |
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode. Published: October 16, 2017; 4:29:00 PM -0400 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 4.6 MEDIUM |
CVE-2017-15289 |
The mode4and5 write functions in hw/display/cirrus_vga.c in Qemu allow local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation. Published: October 16, 2017; 2:29:00 PM -0400 |
V4.0:(not available) V3.1: 6.0 MEDIUM V2.0: 2.1 LOW |
CVE-2017-15268 |
Qemu through 2.10.0 allows remote attackers to cause a memory leak by triggering slow data-channel read operations, related to io/channel-websock.c. Published: October 12, 2017; 11:29:00 AM -0400 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 5.0 MEDIUM |
CVE-2017-15038 |
Race condition in the v9fs_xattrwalk function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS users to obtain sensitive information from host heap memory via vectors related to reading extended attributes. Published: October 09, 2017; 9:30:22 PM -0400 |
V4.0:(not available) V3.0: 5.6 MEDIUM V2.0: 1.9 LOW |
CVE-2017-14167 |
Integer overflow in the load_multiboot function in hw/i386/multiboot.c in QEMU (aka Quick Emulator) allows local guest OS users to execute arbitrary code on the host via crafted multiboot header address values, which trigger an out-of-bounds write. Published: September 08, 2017; 2:29:00 PM -0400 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 7.2 HIGH |