Category Archives: Advisories

USN-5761-2: ca-certificates update

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USN-5761-1 updated ca-certificates. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Due to security concerns, the TrustCor certificate authority has been
marked as distrusted in Mozilla’s root store. This update removes the
TrustCor CA certificates from the ca-certificates package.

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USN-5764-1: U-Boot vulnerabilities

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It was discovered that U-Boot incorrectly handled certain USB DFU download
setup packets. A local attacker could use this issue to cause U-Boot to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2022-2347)

Nicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled
certain fragmented IP packets. A local attacker could use this issue to
cause U-Boot to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu
20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-30552, CVE-2022-30790)

It was discovered that U-Boot incorrectly handled certain NFS lookup
replies. A remote attacker could use this issue to cause U-Boot to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04
LTS. (CVE-2022-30767)

Jincheng Wang discovered that U-Boot incorrectly handled certain SquashFS
structures. A local attacker could use this issue to cause U-Boot to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and
Ubuntu 22.04 LTS. (CVE-2022-33103)

Tatsuhiko Yasumatsu discovered that U-Boot incorrectly handled certain
SquashFS structures. A local attacker could use this issue to cause U-Boot
to crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and
Ubuntu 22.04 LTS. (CVE-2022-33967)

It was discovered that U-Boot incorrectly handled the i2c command. A local
attacker could use this issue to cause U-Boot to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.
(CVE-2022-34835)

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Multiple Vulnerabilities in Google Android OS Could Allow for Arbitrary Code Execution

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Multiple vulnerabilities have been discovered in Google Android OS, the most severe of which could allow for arbitrary code execution. Android is an operating system developed by Google for mobile devices, including, but not limited to, smartphones, tablets, and watches. Successful exploitation of the most severe of these vulnerabilities could allow for arbitrary code execution. Depending on the privileges associated with the exploited component, an attacker could then install programs; view, change, or delete data; or create new accounts with full rights.

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CVE-2021-39434

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A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0 through 11.1.0, builds 20180901, 20190510.1, 20200309.3, 20200930, 20201231, and 20210220.

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DSA-5296 xfce4-settings – security update

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Robin Peraglie and Johannes Moritz discovered an argument injection bug in the
xfce4-mime-helper component of xfce4-settings, which can be exploited using the
xdg-open common tool. Since xdg-open is used by multiple standard applications
for opening links, this bug could be exploited by an attacker to run arbitrary
code on an user machine by providing a malicious PDF file with specifically
crafted links.

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