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redosRedosROS-20240606-01
HistoryJun 06, 2024 - 12:00 a.m.

ROS-20240606-01

2024-06-0600:00:00
redos.red-soft.ru
2
qemu
usb ehci controller
virtio-net interface
vnc
inflate_buffer
vulnerability
denial of service
exploitation
buffer pointer
mmio register
race scenario
shutdown
asynchronous
inflate

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

52.5%

A vulnerability in QEMU’s USB EHCI controller emulation is related to the lack of checks if the buffer pointer overlaps with the MMIO register when transmitting USB packets.
the buffer pointer overlaps with the MMIO region when transmitting USB packets. Exploitation of the vulnerability could allow
an attacker to cause a denial of service

The QEMU server virtio-net interface vulnerability is related to the asynchronous nature of the shutdown, allowing a
race scenario. Exploitation of the vulnerability could allow an attacker to cause a denial of service

Vulnerability in the inflate_buffer() function of the QEMU server VNC is related to an invalid exit condition leading to an
an infinite loop when inflating the zlib buffer. Exploitation of the vulnerability could allow an intruder,
acting remotely, to cause a denial of service

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64qemu<= 7.2.7-1UNKNOWN

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

52.5%