CVE-2021-46784

In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.

CVSS v3.0 6.5 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch	Patch Vendor Advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w	Mitigation Patch Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-46784	Third Party Advisory
https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9	Patch Third Party Advisory
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch	Broken Link
https://security.netapp.com/advisory/ntap-20221223-0007/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:squid-cache:squid::::::::
	cpe:2.3:a:squid-cache:squid::::::::
	cpe:2.3:a:squid-cache:squid::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*
	cpe:2.3:o:debian:debian_linux:12.0:::::::*

Information

Published : 2022-07-17 15:15

Updated : 2023-01-19 12:28

NVD link : CVE-2021-46784

Mitre link : CVE-2021-46784

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

Products Affected

debian

debian_linux

squid-cache

squid

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch", "name": "http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w", "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w", "tags": ["Mitigation", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://security-tracker.debian.org/tracker/CVE-2021-46784", "name": "https://security-tracker.debian.org/tracker/CVE-2021-46784", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9", "name": "https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch", "name": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch", "tags": ["Broken Link"], "refsource": "MISC"}, {"url": "https://security.netapp.com/advisory/ntap-20221223-0007/", "name": "https://security.netapp.com/advisory/ntap-20221223-0007/", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-400"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-46784", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2022-07-17T22:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "3.5.28", "versionStartIncluding": "3.0"}, {"cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.6", "versionStartIncluding": "5.0"}, {"cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.17", "versionStartIncluding": "4.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-01-19T20:28Z"}

6.5 /10