Category Archives: Advisories

Advisories

USN-6815-1: AOM vulnerability

Read Time:11 Second

Xiantong Hou discovered that AOM did not properly handle certain malformed
media files. If an application using AOM opened a specially crafted file, a
remote attacker could cause a denial of service, or possibly execute
arbitrary code.

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Advisories

USN-6814-1: libvpx vulnerability

Read Time:11 Second

Xiantong Hou discovered that libvpx did not properly handle certain
malformed media files. If an application using libvpx opened a specially
crafted file, a remote attacker could cause a denial of service, or
possibly execute arbitrary code.

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Advisories

USN-6567-2: QEMU regression

Read Time:3 Minute, 16 Second

USN-6567-1 fixed vulnerabilities QEMU. The fix for CVE-2023-2861 was too
restrictive and introduced a behaviour change leading to a regression in
certain environments. This update fixes the problem.

Original advisory details:

Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the
USB xHCI controller device. A privileged guest attacker could possibly use
this issue to cause QEMU to crash, leading to a denial of service. This
issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2020-14394)

It was discovered that QEMU incorrectly handled the TCG Accelerator. A
local attacker could use this issue to cause QEMU to crash, leading to a
denial of service, or possibly execute arbitrary code and esclate
privileges. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-24165)

It was discovered that QEMU incorrectly handled the Intel HD audio device.
A malicious guest attacker could use this issue to cause QEMU to crash,
leading to a denial of service. This issue only affected Ubuntu 22.04 LTS.
(CVE-2021-3611)

It was discovered that QEMU incorrectly handled the ATI VGA device. A
malicious guest attacker could use this issue to cause QEMU to crash,
leading to a denial of service. This issue only affected Ubuntu 20.04 LTS.
(CVE-2021-3638)

It was discovered that QEMU incorrectly handled the VMWare paravirtual RDMA
device. A malicious guest attacker could use this issue to cause QEMU to
crash, leading to a denial of service. (CVE-2023-1544)

It was discovered that QEMU incorrectly handled the 9p passthrough
filesystem. A malicious guest attacker could possibly use this issue to
open special files and escape the exported 9p tree. This issue only
affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.
(CVE-2023-2861)

It was discovered that QEMU incorrectly handled the virtual crypto device.
A malicious guest attacker could use this issue to cause QEMU to crash,
leading to a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.
(CVE-2023-3180)

It was discovered that QEMU incorrectly handled the built-in VNC server.
A remote authenticated attacker could possibly use this issue to cause QEMU
to stop responding, resulting in a denial of service. This issue only
affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-3255)

It was discovered that QEMU incorrectly handled net device hot-unplugging.
A malicious guest attacker could use this issue to cause QEMU to crash,
leading to a denial of service. This issue only affected Ubuntu 22.04 LTS
and Ubuntu 23.04. (CVE-2023-3301)

It was discovered that QEMU incorrectly handled the built-in VNC server.
A remote attacker could possibly use this issue to cause QEMU to crash,
resulting in a denial of service. This issue only affected Ubuntu 20.04
LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-3354)

It was discovered that QEMU incorrectly handled NVME devices. A malicious
guest attacker could use this issue to cause QEMU to crash, leading to a
denial of service. This issue only affected Ubuntu 23.10. (CVE-2023-40360)

It was discovered that QEMU incorrectly handled NVME devices. A malicious
guest attacker could use this issue to cause QEMU to crash, leading to a
denial of service, or possibly obtain sensitive information. This issue
only affected Ubuntu 23.10. (CVE-2023-4135)

It was discovered that QEMU incorrectly handled SCSI devices. A malicious
guest attacker could use this issue to cause QEMU to crash, leading to a
denial of service. This issue only affected Ubuntu 23.04 and Ubuntu 23.10.
(CVE-2023-42467)

It was discovered that QEMU incorrectly handled certain disk offsets. A
malicious guest attacker could possibly use this issue to gain control of
the host in certain nested virtualization scenarios. (CVE-2023-5088)

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Advisories

ZDI-24-576: Trend Micro Maximum Security coreServiceShell Link Following Local Privilege Escalation Vulnerability

Read Time:17 Second

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Maximum Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-32849.

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