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Ubuntu: (Multiple Advisories) (CVE-2017-15124): QEMU regression

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Ubuntu: (Multiple Advisories) (CVE-2017-15124): QEMU regression

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
01/09/2018
Created
07/25/2018
Added
02/21/2018
Modified
05/03/2019

Description

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.

Solution(s)

  • ubuntu-upgrade-qemu
  • ubuntu-upgrade-qemu-system
  • ubuntu-upgrade-qemu-system-aarch64
  • ubuntu-upgrade-qemu-system-arm
  • ubuntu-upgrade-qemu-system-mips
  • ubuntu-upgrade-qemu-system-misc
  • ubuntu-upgrade-qemu-system-ppc
  • ubuntu-upgrade-qemu-system-s390x
  • ubuntu-upgrade-qemu-system-sparc
  • ubuntu-upgrade-qemu-system-x86

References

  • USN-3575-1
  • USN-3575-2
  • 102295
  • RHSA-2018:0816
  • RHSA-2018:1104
  • RHSA-2018:1113
  • RHSA-2018:3062
  • DSA-4213
  • CVE-2017-15124
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