Category Archives: Advisories

Advisories

USN-6851-2: Netplan regression

Read Time:30 Second

USN-6851-1 fixed vulnerabilities in Netplan. The update lead to the discovery of
a regression in netplan which caused systemctl enable to fail on systems where
systemd is not running. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Andreas Hasenack discovered that netplan incorrectly handled the permissions
for netdev files containing wireguard configuration. An attacker could use
this to obtain wireguard secret keys.

It was discovered that netplan configuration could be manipulated into injecting
arbitrary commands while setting up network interfaces. An attacker could
use this to execute arbitrary commands or escalate privileges.

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Advisories

USN-6844-2: CUPS regression

Read Time:27 Second

USN-6844-1 fixed vulnerabilities in the CUPS package. The update
lead to the discovery of a regression in CUPS with regards to
how the cupsd daemon handles Listen configuration directive.
This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:
Rory McNamara discovered that when starting the cupsd server with a
Listen configuration item, the cupsd process fails to validate if
bind call passed. An attacker could possibly trick cupsd to perform
an arbitrary chmod of the provided argument, providing world-writable
access to the target.

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Advisories

USN-6855-1: libcdio vulnerability

Read Time:11 Second

Mansour Gashasbi discovered that libcdio incorrectly handled certain
memory operations when parsing an ISO file, leading to a buffer overflow
vulnerability. An attacker could use this to cause a denial of service
or possibly execute arbitrary code.

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Advisories

USN-5615-3: SQLite vulnerability

Read Time:44 Second

USN-5615-1 fixed several vulnerabilities in SQLite. This update provides
the corresponding fix for CVE-2020-35525 for Ubuntu 14.04 LTS.

Original advisory details:

It was discovered that SQLite incorrectly handled INTERSEC query
processing. An attacker could use this issue to cause SQLite to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-35525)

It was discovered that SQLite incorrectly handled ALTER TABLE for views
that have a nested FROM clause. An attacker could use this issue to cause
SQLite to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue was only addressed in Ubuntu 20.04 LTS.
(CVE-2020-35527)

It was discovered that SQLite incorrectly handled embedded null characters
when tokenizing certain unicode strings. This issue could result in
incorrect results. This issue only affected Ubuntu 20.04 LTS.
(CVE-2021-20223)

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Advisories

USN-6857-1: Squid vulnerabilities

Read Time:56 Second

Joshua Rogers discovered that Squid incorrectly handled requests with the
urn: scheme. A remote attacker could possibly use this issue to cause
Squid to consume resources, leading to a denial of service. This issue
only affected Ubuntu 16.04 LTS. (CVE-2021-28651)

It was discovered that Squid incorrectly handled SSPI and SMB
authentication. A remote attacker could use this issue to cause Squid to
crash, resulting in a denial of service, or possibly obtain sensitive
information. This issue only affected Ubuntu 16.04 LTS. (CVE-2022-41318)

Joshua Rogers discovered that Squid incorrectly handled HTTP message
processing. A remote attacker could possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2023-49285)

Joshua Rogers discovered that Squid incorrectly handled Helper process
management. A remote attacker could possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2023-49286)

Joshua Rogers discovered that Squid incorrectly handled HTTP request
parsing. A remote attacker could possibly use this issue to cause
Squid to crash, resulting in a denial of service.
(CVE-2023-50269, CVE-2024-25617)

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