CVE-2023-46847

high-risk
Published 2023-11-03

Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.

Do I need to act?

!
38.2% chance of exploitation in next 30 days
EPSS score — higher than 62% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Redhat Squid-Cache

References (36)

Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6266
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6267
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6268
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6748
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6801
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6803
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6804
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6805
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6810
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6882
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6884
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:7213
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:7576
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:7578
Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-46847
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2245916
Vendor Advisory https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6266
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6267
Third Party Advisory https://access.redhat.com/errata/RHSA-2023:6268
and 16 more references
66
/ 100
high-risk
Severity 29/34 · Critical
Exploitability 17/34 · Moderate
Exposure 20/34 · Moderate