Category Archives: Advisories

Advisories

USN-7041-2: CUPS vulnerability

Read Time:17 Second

USN-7041-1 fixed a vulnerability in CUPS. This update provides
the corresponding update for Ubuntu 18.04 LTS.

Original advisory details:

Simone Margaritelli discovered that CUPS incorrectly sanitized IPP
data when creating PPD files. A remote attacker could possibly use this
issue to manipulate PPD files and execute arbitrary code when a printer is
used.

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Advisories

USN-6964-2: ORC vulnerability

Read Time:15 Second

USN-6964-1 fixed a vulnerability in ORC. This update provides the
corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

Noriko Totsuka discovered that ORC incorrectly handled certain
specially crafted files. An attacker could possibly use this issue
to execute arbitrary code.

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Advisories

USN-7015-3: Python vulnerability

Read Time:1 Minute, 8 Second

USN-7015-1 fixed several vulnerabilities in Python. This update provides
the corresponding updates for CVE-2023-27043 for python2.7 in Ubuntu 16.04
LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS, and for
python3.5 in Ubuntu 16.04 LTS.

Original advisory details:

It was discovered that the Python email module incorrectly parsed email
addresses that contain special characters. A remote attacker could
possibly use this issue to bypass certain protection mechanisms.
(CVE-2023-27043)

It was discovered that Python allowed excessive backtracking while parsing
certain tarfile headers. A remote attacker could possibly use this issue
to cause Python to consume resources, leading to a denial of service.
(CVE-2024-6232)

It was discovered that the Python email module incorrectly quoted newlines
for email headers. A remote attacker could possibly use this issue to
perform header injection. (CVE-2024-6923)

It was discovered that the Python http.cookies module incorrectly handled
parsing cookies that contained backslashes for quoted characters. A remote
attacker could possibly use this issue to cause Python to consume
resources, leading to a denial of service. (CVE-2024-7592)

It was discovered that the Python zipfile module incorrectly handled
certain malformed zip files. A remote attacker could possibly use this
issue to cause Python to stop responding, resulting in a denial of
service. (CVE-2024-8088)

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Advisories

USN-7047-1: Knot Resolver vulnerabilities

Read Time:41 Second

Vladimír Čunát discovered that Knot Resolver incorrectly handled input
during DNSSEC validation. A remote attacker could possibly use this issue
to bypass certain validations. (CVE-2019-10190)

Vladimír Čunát discovered that Knot Resolver incorrectly handled input
during DNSSEC validation. A remote attacker could possibly use this issue
to downgrade DNSSEC-secure domains to a DNSSEC-insecure state, resulting
in a domain hijacking attack. (CVE-2019-10191)

Vladimír Čunát discovered that Knot Resolver incorrectly handled certain
DNS replies with many resource records. An attacker could possibly use
this issue to consume system resources, resulting in a denial of service.
(CVE-2019-19331)

Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Knot
Resolver incorrectly handled certain queries. A remote attacker could
use this issue to perform an amplification attack directed at a target.
(CVE-2020-12667)

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