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cve[email protected]CVE-2020-15049
HistoryJun 30, 2020 - 6:15 p.m.

CVE-2020-15049

2020-06-3018:15:12
CWE-444
[email protected]
web.nvd.nist.gov
399
cve-2020-15049
squid
http
request smuggling
poisoning
attack
security
vulnerability

CVSS2

6.5

Attack Vector

NETWORK

Attack 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

CVSS3

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.01

Percentile

83.8%

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.

Affected configurations

NVD
Node
squid-cachesquidRange2.0–2.6
OR
squid-cachesquidRange3.1–3.5.28
OR
squid-cachesquidRange4.0–4.12
OR
squid-cachesquidRange5.0–5.0.3
OR
squid-cachesquidMatch2.7
OR
squid-cachesquidMatch2.7stable2
OR
squid-cachesquidMatch2.7stable3
OR
squid-cachesquidMatch2.7stable4
OR
squid-cachesquidMatch2.7stable5
OR
squid-cachesquidMatch2.7stable6
OR
squid-cachesquidMatch2.7stable7
OR
squid-cachesquidMatch2.7stable8
OR
squid-cachesquidMatch2.7stable9
Node
fedoraprojectfedoraMatch31
VendorProductVersionCPE
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable2::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable4::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable6::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable3::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable5::
squid-cachesquidcpe:/a:squid-cache:squid::::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable8::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable9::
squid-cachesquid2.7cpe:/a:squid-cache:squid:2.7:stable7::

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CVSS2

6.5

Attack Vector

NETWORK

Attack 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

CVSS3

9.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.01

Percentile

83.8%

JSON
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