Category Archives: Advisories

USN-6906-1: python-zipp vulnerability

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It was discovered that python-zipp did not properly handle the zip files
with malformed names. An attacker could possibly use this issue to cause a
denial of service.

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Multiple Vulnerabilities in Google Chrome Could Allow for Arbitrary Code Execution

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Multiple vulnerabilities have been discovered in Google Chrome, the most severe of which could allow for arbitrary code execution. Successful exploitation of the most severe of these vulnerabilities could allow for arbitrary code execution in the context of the logged on user. Depending on the privileges associated with the user an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

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USN-6910-1: Apache ActiveMQ vulnerabilities

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Chess Hazlett discovered that Apache ActiveMQ incorrectly handled certain
commands. A remote attacker could possibly use this issue to terminate
the program, resulting in a denial of service. This issue only affected
Ubuntu 16.04 LTS. (CVE-2015-7559)

Peter Stöckli discovered that Apache ActiveMQ incorrectly handled
hostname verification. A remote attacker could possibly use this issue
to perform a person-in-the-middle attack. This issue only affected Ubuntu
16.04 LTS. (CVE-2018-11775)

Jonathan Gallimore and Colm Ó hÉigeartaigh discovered that Apache
ActiveMQ incorrectly handled authentication in certain functions.
A remote attacker could possibly use this issue to perform a
person-in-the-middle attack. This issue only affected Ubuntu 16.04 LTS,
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-13920)

Gregor Tudan discovered that Apache ActiveMQ incorrectly handled
LDAP authentication. A remote attacker could possibly use this issue
to acquire unauthenticated access. This issue only affected Ubuntu 16.04
LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-26117)

It was discovered that Apache ActiveMQ incorrectly handled
authentication. A remote attacker could possibly use this issue to run
arbitrary code. (CVE-2022-41678)

It was discovered that Apache ActiveMQ incorrectly handled
deserialization. A remote attacker could possibly use this issue to run
arbitrary shell commands. (CVE-2023-46604)

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USN-6530-2: HAProxy vulnerability

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Seth Manesse and Paul Plasil discovered that HAProxy incorrectly handled
URI components containing the hash character (#). A remote attacker could
possibly use this issue to obtain sensitive information, or to bypass
certain path_end rules.

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USN-6907-1: Squid vulnerability

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Joshua Rogers discovered that Squid did not properly handle multi-byte
characters during Edge Side Includes (ESI) processing. A remote attacker
could possibly use this issue to cause a memory corruption error, leading
to a denial of service.

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USN-6909-1: Bind vulnerabilities

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It was discovered that Bind incorrectly handled a flood of DNS messages
over TCP. A remote attacker could possibly use this issue to cause Bind to
become unstable, resulting in a denial of service. (CVE-2024-0760)

Toshifumi Sakaguchi discovered that Bind incorrectly handled having a very
large number of RRs existing at the same time. A remote attacker could
possibly use this issue to cause Bind to consume resources, leading to a
denial of service. (CVE-2024-1737)

It was discovered that Bind incorrectly handled a large number of SIG(0)
signed requests. A remote attacker could possibly use this issue to cause
Bind to consume resources, leading to a denial of service. (CVE-2024-1975)

Daniel Stränger discovered that Bind incorrectly handled serving both
stable cache data and authoritative zone content. A remote attacker could
possibly use this issue to cause Bind to crash, resulting in a denial of
service. (CVE-2024-4076)

On Ubuntu 20.04 LTS, Bind has been updated from 9.16 to 9.18. In addition
to security fixes, the updated packages contain bug fixes, new features,
and possibly incompatible changes.

Please see the following for more information:

https://kb.isc.org/docs/changes-to-be-aware-of-when-moving-from-bind-916-to-918

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