Design/Logic Flaw

2020-06-3018:15:00

PRIOn knowledge base

www.prio-n.com

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.4 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.01 Low

EPSS

Percentile

83.4%

JSON

An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ “-” or an uncommon shell whitespace character prefix to the length field-value.

CPENameOperatorVersion
fedoraeq31
squideq2.7 stable3
squideq2.7 stable4
squideq2.7
squideq2.7 stable2
squideq2.7 stable5
squideq2.7 stable6
squideq2.7 stable7
squideq2.7 stable8
squideq2.7 stable9

Name	Operator	Version
fedora	eq	31
squid	eq	2.7 stable3
squid	eq	2.7 stable4
squid	eq	2.7
squid	eq	2.7 stable2
squid	eq	2.7 stable5
squid	eq	2.7 stable6
squid	eq	2.7 stable7
squid	eq	2.7 stable8
squid	eq	2.7 stable9