CVE-2020-25097

An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occurs for certain uri_whitespace configuration settings.

CVSS v3.0 8.6 HIGH
CVSS v2.0 5.0 MEDIUM

8.6^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patch	Mailing List Patch Vendor Advisory
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patch	Mailing List Patch Vendor Advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6	Patch Third Party Advisory
https://www.debian.org/security/2021/dsa-4873	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202105-14	Third Party Advisory
https://security.netapp.com/advisory/ntap-20210727-0010/	Third Party Advisory

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Configuration 4 (hide)

cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*

Information

Published : 2021-03-18 22:15

Updated : 2022-04-05 11:04

NVD link : CVE-2020-25097

Mitre link : CVE-2020-25097

JSON object : View

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CWE-20

Improper Input Validation

Products Affected

debian

debian_linux

netapp

cloud_manager

fedoraproject

fedora

squid-cache

squid

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8.6 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

5.0 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

JSON object

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8.6^/10

5.0^/10

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