Vulnerability Report

CVE-2021-46784

Title: Squid-Cache Squid Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2021-46784.

CWE Category CWE-617
Published Date Jul 17, 2022
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.5 CVSS v3.1
Exploit Probability (EPSS)
4.51%

Vulnerability Summary

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.

Impacted Vendors

S
squid-cache 1
S
squid 1

Reference Links

http://www.openwall.com/lists/oss-security/2023/10/13/1 http://www.openwall.com/lists/oss-security/2023/10/13/10 http://www.openwall.com/lists/oss-security/2023/10/21/1 http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9 https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w https://security-tracker.debian.org/tracker/CVE-2021-46784 https://security.netapp.com/advisory/ntap-20221223-0007/ http://www.openwall.com/lists/oss-security/2023/10/13/1 http://www.openwall.com/lists/oss-security/2023/10/13/10 http://www.openwall.com/lists/oss-security/2023/10/21/1 http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9 https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w https://security-tracker.debian.org/tracker/CVE-2021-46784 https://security.netapp.com/advisory/ntap-20221223-0007/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-46784 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.