squid: exposure of sensitive information in cache manager
Published Dec 25, 2022
6.5
MEDIUMCVSS 3.1
EPSS 1.70%
Description
An issue was discovered in Squid 4.9 through 4.17 and 5.0.6 through 5.6. Due to inconsistent handling of internal URIs, there can be Exposure of Sensitive Information about clients using the proxy via an HTTPS request to an internal cache manager URL. This is fixed in 5.7.
Affected products
No data.
- ≥ 4.9 · ≤ 4.17
- ≥ 5.0.6 · < 5.7
No data.
Red Hat Enterprise Linux 6
squid
Not affected
Red Hat Enterprise Linux 6
squid34
Not affected
Red Hat Enterprise Linux 7
squid
Not affected
Red Hat Enterprise Linux 8
squid:4/squid
Will not fix
Red Hat Enterprise Linux 9
squid
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | squid | Not affected | n/a |
| Red Hat Enterprise Linux 6 | squid34 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | squid | Not affected | n/a |
| Red Hat Enterprise Linux 8 | squid:4/squid | Will not fix | n/a |
| Red Hat Enterprise Linux 9 | squid | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
Adding the following line to the squid.conf file is a workaround: acl manager url_regex +i ^[^:]+://[^/]+/squid-internal-mgr/
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Apr 14, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.70% (0.01704) | 76.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.69% (0.01690) | 74.01th | v5 (v2026.06.15) |
| Nov 21, 2025 | 1.39% (0.01389) | 79.77th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.94% (0.03939) | 87.20th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.04% (0.01041) | 75.45th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.44% (0.02438) | 75.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.04% (0.01041) | 75.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00102) | 43.41th | v3 (v2023.03.01) |
| Jan 1, 2024 | 0.10% (0.00105) | 42.38th | v3 (v2023.03.01) |
| Dec 7, 2023 | 0.08% (0.00085) | 35.33th | v3 (v2023.03.01) |
| Nov 25, 2023 | 0.09% (0.00090) | 37.80th | v3 (v2023.03.01) |
| May 8, 2023 | 0.10% (0.00105) | 41.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00099) | 39.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Dec 26, 2022 | 0.95% (0.00950) | 31.65th | v2 (v2022.01.01) |
References (8)
- http://www.squid-cache.org/Versions/v4/changesets/SQUID-2022_1.patch PatchVendor Advisory
- http://www.squid-cache.org/Versions/v5/changesets/SQUID-2022_1.patch PatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2022-41317 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2129770 Issue Tracking
- https://github.com/squid-cache/squid/security/advisories/GHSA-rcg9-7fqm-83mq MitigationPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-41317
- https://www.cve.org/CVERecord?id=CVE-2022-41317
- https://www.openwall.com/lists/oss-security/2022/09/23/1 Mailing ListMitigationPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.squid-cache.org/Versions/v4/changesets/SQUID-2022_1.patch | PatchVendor Advisory | |
| http://www.squid-cache.org/Versions/v5/changesets/SQUID-2022_1.patch | PatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2022-41317 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2129770 | Issue Tracking | |
| https://github.com/squid-cache/squid/security/advisories/GHSA-rcg9-7fqm-83mq | MitigationPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2022-41317 | ||
| https://www.cve.org/CVERecord?id=CVE-2022-41317 | ||
| https://www.openwall.com/lists/oss-security/2022/09/23/1 | Mailing ListMitigationPatchThird Party Advisory |
Change history (0)
No recorded changes yet.