CVE-2023-46846: Squid: request/response smuggling in http/1.1 and icap
First published: Tue Oct 24 2023(Updated: )
SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Squid-Cache Squid | >=2.6<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 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/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 | <6.1-2ubuntu2 | 6.1-2ubuntu2 |
| ubuntu/squid | <6.4 | 6.4 |
| 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 6.9-1 |
| >=2.6<6.4 | ||
| =8.0 | ||
| =9.0 | ||
| =8.6 | ||
| =8.8 | ||
| =9.0 | ||
| =9.2 | ||
| =8.0_aarch64 | ||
| =8.0_s390x | ||
| =8.0_ppc64le | ||
| =8.2 | ||
| =8.4 | ||
| =8.6 | ||
| =9.2 | ||
| =8.2 | ||
| =8.4 | ||
| =8.6 | ||
| =8.8 | ||
| =9.2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2245910
- https://access.redhat.com/errata/RHSA-2023:6266
- https://access.redhat.com/errata/RHSA-2023:6267
- https://access.redhat.com/errata/RHSA-2023:6268
- https://access.redhat.com/security/cve/CVE-2023-46846
- https://github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqh
- https://access.redhat.com/errata/RHSA-2023:6748
- https://access.redhat.com/errata/RHSA-2023:6801
- https://access.redhat.com/errata/RHSA-2023:6803
- https://access.redhat.com/errata/RHSA-2023:6804
- https://access.redhat.com/errata/RHSA-2023:6810
- https://access.redhat.com/errata/RHSA-2023:7213
- https://security.netapp.com/advisory/ntap-20231130-0002/
- https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00008.html
- https://launchpad.net/bugs/cve/CVE-2023-46846
- https://lists.squid-cache.org/pipermail/squid-announce/2023-October/000156.html
- https://ubuntu.com/security/notices/USN-6500-1
- https://www.cve.org/CVERecord?id=CVE-2023-46846
- https://nvd.nist.gov/vuln/detail/CVE-2023-46846
- https://security-tracker.debian.org/tracker/CVE-2023-46846
- https://github.com/squid-cache/squid/commit/6cfa10d94ca15a764a1d975597d8024582ef19be
- https://github.com/squid-cache/squid/commit/05f6af2f4c85cc99323cfff6149c3d74af661b6d
- https://ubuntu.com/security/CVE-2023-46846
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2245911
- https://access.redhat.com/errata/RHSA-2024:11049
Frequently Asked Questions
What is CVE-2023-46846?
CVE-2023-46846 is a vulnerability in Squid that allows a remote attacker to perform HTTP request smuggling past firewall and frontend security systems.
How severe is CVE-2023-46846?
CVE-2023-46846 has a severity rating of 9.3 (Critical).
How can I fix CVE-2023-46846?
To fix CVE-2023-46846, update your Squid software to version 6.4 or later.
Which software versions are affected by CVE-2023-46846?
Squid versions up to 6.4 are affected by CVE-2023-46846.
Where can I find more information about CVE-2023-46846?
You can find more information about CVE-2023-46846 on the Redhat advisory page: [link](https://access.redhat.com/errata/RHSA-2023:6266).
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