Advisory Published

USN-6237-1: curl vulnerabilities

First published: Wed Jul 19 2023(Updated: )

Hiroki Kurosawa discovered that curl incorrectly handled validating certain certificate wildcards. A remote attacker could possibly use this issue to spoof certain website certificates using IDN hosts. (CVE-2023-28321) Hiroki Kurosawa discovered that curl incorrectly handled callbacks when certain options are set by applications. This could cause applications using curl to misbehave, resulting in information disclosure, or a denial of service. (CVE-2023-28322) It was discovered that curl incorrectly handled saving cookies to files. A local attacker could possibly use this issue to create or overwrite files. This issue only affected Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-32001)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libcurl3-gnutls<7.88.1-8ubuntu2.1
7.88.1-8ubuntu2.1
=23.04
All of
ubuntu/libcurl3-nss<7.88.1-8ubuntu2.1
7.88.1-8ubuntu2.1
=23.04
All of
ubuntu/libcurl4<7.88.1-8ubuntu2.1
7.88.1-8ubuntu2.1
=23.04
All of
ubuntu/curl<7.88.1-8ubuntu2.1
7.88.1-8ubuntu2.1
=23.04
All of
ubuntu/libcurl3-gnutls<7.85.0-1ubuntu0.6
7.85.0-1ubuntu0.6
=22.10
All of
ubuntu/libcurl3-nss<7.85.0-1ubuntu0.6
7.85.0-1ubuntu0.6
=22.10
All of
ubuntu/libcurl4<7.85.0-1ubuntu0.6
7.85.0-1ubuntu0.6
=22.10
All of
ubuntu/curl<7.85.0-1ubuntu0.6
7.85.0-1ubuntu0.6
=22.10
All of
ubuntu/libcurl3-gnutls<7.81.0-1ubuntu1.11
7.81.0-1ubuntu1.11
=22.04
All of
ubuntu/libcurl3-nss<7.81.0-1ubuntu1.11
7.81.0-1ubuntu1.11
=22.04
All of
ubuntu/libcurl4<7.81.0-1ubuntu1.11
7.81.0-1ubuntu1.11
=22.04
All of
ubuntu/curl<7.81.0-1ubuntu1.11
7.81.0-1ubuntu1.11
=22.04
All of
ubuntu/libcurl3-gnutls<7.68.0-1ubuntu2.19
7.68.0-1ubuntu2.19
=20.04
All of
ubuntu/libcurl3-nss<7.68.0-1ubuntu2.19
7.68.0-1ubuntu2.19
=20.04
All of
ubuntu/libcurl4<7.68.0-1ubuntu2.19
7.68.0-1ubuntu2.19
=20.04
All of
ubuntu/curl<7.68.0-1ubuntu2.19
7.68.0-1ubuntu2.19
=20.04

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this advisory?

    The vulnerability ID for this advisory is USN-6237-1.

  • What is the severity of the vulnerability?

    The severity of the vulnerability is not specified in the provided information.

  • What software versions are affected by the vulnerability?

    The software versions affected by the vulnerability are libcurl3-gnutls, libcurl3-nss, libcurl4, and curl.

  • How can this vulnerability be exploited?

    This vulnerability can be exploited by a remote attacker to possibly spoof certain website certificates using IDN hosts.

  • How can I fix the vulnerability?

    To fix the vulnerability, update the affected software to the recommended remedy version specified for each package.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203