high
8.6
CWE
119 120
Advisory Published
CVE Published
CVE Published
Updated

CVE-2023-46847: Squid: denial of service in http digest authentication

First published: Tue Oct 24 2023(Updated: )

Description: Due to a buffer overflow bug Squid is vulnerable to a Denial of Service attack against HTTP Digest Authentication Reference: <a href="https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g">https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g</a> Affected versions: 3.2.0.1-5.9, 6.0-6.3

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Squid-Cache Squid>=3.2.0.1<6.4
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux=9.0
Redhat Enterprise Linux Eus=8.6
Redhat Enterprise Linux Eus=8.8
Redhat Enterprise Linux Eus=9.0
Redhat Enterprise Linux Eus=9.2
Redhat Enterprise Linux For Arm 64=8.0_aarch64
Redhat Enterprise Linux For Ibm Z Systems=8.0_s390x
Redhat Enterprise Linux For Power Little Endian=8.0_ppc64le
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=8.2
Redhat Enterprise Linux Server Aus=8.4
Redhat Enterprise Linux Server Aus=8.6
Redhat Enterprise Linux Server Aus=9.2
Redhat Enterprise Linux Server Tus=8.2
Redhat Enterprise Linux Server Tus=8.4
Redhat Enterprise Linux Server Tus=8.6
Redhat Enterprise Linux Server Tus=8.8
Redhat Enterprise Linux Server Tus=9.2
Redhat Enterprise Linux Workstation=7.0
redhat/squid<6.4
6.4
ubuntu/squid<4.10-1ubuntu1.8
4.10-1ubuntu1.8
ubuntu/squid<5.7-0ubuntu0.22.04.2
5.7-0ubuntu0.22.04.2
ubuntu/squid<5.7-1ubuntu3.1
5.7-1ubuntu3.1
ubuntu/squid<6.1-2ubuntu1.1
6.1-2ubuntu1.1
ubuntu/squid<6.4
6.4
ubuntu/squid3<3.5.27-1ubuntu1.14+
3.5.27-1ubuntu1.14+
ubuntu/squid3<3.5.12-1ubuntu7.16+
3.5.12-1ubuntu7.16+
debian/squid<=4.6-1+deb10u7<=4.13-10+deb11u2<=5.7-2
4.6-1+deb10u10
4.13-10+deb11u3
5.7-2+deb12u1
6.6-1
6.9-1

Remedy

https://github.com/squid-cache/squid/commit/dc0e10bec3334053c1a5297e50dd7052ea18aef0

Remedy

https://github.com/squid-cache/squid/commit/052cf082b0faaef4eaaa4e94119d7a1437aac4a3

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

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-46847?

    CVE-2023-46847 is a vulnerability in Squid that allows a remote attacker to perform a denial of service attack through a buffer overflow in HTTP Digest Authentication.

  • How severe is CVE-2023-46847?

    CVE-2023-46847 has a severity rating of 9.9, which is classified as critical.

  • Which software versions are affected by CVE-2023-46847?

    The affected software versions include Squid up to version 6.4 and Squid-Cache versions 3.2.0.1 to 6.4.

  • How can I mitigate CVE-2023-46847?

    To mitigate CVE-2023-46847, update Squid to version 6.4 or apply the recommended patches provided by the vendor.

  • Where can I find more information about CVE-2023-46847?

    You can find more information about CVE-2023-46847 in the references: [GitHub Advisory](https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2245917), and [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2023:6266).

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