Vulnerability in Squid-Cache Squid
CVE-2023-46846
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.
Vulnerability class: HTTP Request Smuggling
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.072 (94.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.062 · newest: 0.072 · change: +0.009
Affected products
- Squid-Cache Squid
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7 Extended Lifecycle Support — versions 7:3.5.20-17.el7_9.13
- Red Hat Enterprise Linux 8 — versions 8080020231030214932.63b34585, 8090020231030224841.a75119d5
- Red Hat Enterprise Linux 8.1 Update Services For SAP Solutions — versions 8010020231101141358.c27ad7f8
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 8020020231101135052.4cda2c84
- Red Hat Enterprise Linux 8.2 Telecommunications Update Service — versions 8020020231101135052.4cda2c84
- Red Hat Enterprise Linux 8.2 Update Services For SAP Solutions — versions 8020020231101135052.4cda2c84
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 8040020231101101624.522a0ee4
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service — versions 8040020231101101624.522a0ee4
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2023:6266 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:6267 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:6268 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:6748 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:6801 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:6803 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:6804 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:6810 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2023:7213 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2024:11049 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-46846?
- CVE-2023-46846 is a critical-severity vulnerability in Squid-Cache Squid, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.3/10. Published 2023-11-03.
- How severe is CVE-2023-46846?
- Critical severity. CVSS v3 base score is 9.3 out of 10.