CVE-2016-4553 - Insufficient Verification of Data Authenticity

Severity

50%

Complexity

99%

Confidentiality

48%

client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.

client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.

CVSS 3.0 Base Score 8.6. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N).

Overview

First reported 8 years ago

2016-05-10 19:59:00

Last updated 5 years ago

2019-12-27 16:08:00

Affected Software

Canonical Ubuntu Linux 12.04 LTS

12.04

Canonical Ubuntu Linux 14.04 LTS (Long-Term Support)

14.04

Canonical Ubuntu Linux 15.10

15.10

Canonical Ubuntu Linux 16.04 LTS (Long-Term Support)

16.04

squid-cache.org Squid 4.0.1

4.0.1

squid-cache.org Squid 4.0.2

4.0.2

squid-cache.org Squid 4.0.3

4.0.3

squid-cache.org Squid 4.0.4

4.0.4

squid-cache.org Squid 4.0.5

4.0.5

squid-cache.org Squid 4.0.6

4.0.6

squid-cache.org Squid 4.0.8

4.0.8

squid-cache.org Squid 4.0.9

4.0.9

References

http://bugs.squid-cache.org/show_bug.cgi?id=4501

Vendor Advisory

SUSE-SU-2016:1996

SUSE-SU-2016:2089

openSUSE-SU-2016:2081

DSA-3625

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Third Party Advisory

1035768

Third Party Advisory

http://www.squid-cache.org/Advisories/SQUID-2016_7.txt

Vendor Advisory

http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14039.patch

USN-2995-1

Third Party Advisory

RHSA-2016:1139

RHSA-2016:1140

GLSA-201607-01

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