Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE ID | CVE-2016-4554 |
CWE ID | CWE-345 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Squid Server applications / IDS/IPS systems, Firewalls and proxy servers |
Vendor | Squid-cache.org |
This security advisory describes one high risk vulnerability.
Risk: High
CVSSv3: 7.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2016-4554
CWE-ID:
CWE-345 - Insufficient Verification of Data Authenticity
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to manipulate data.
mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.
MitigationInstall update from vendor's website.
Vulnerable software versionsSquid: 3.5.0.1, 3.5.0.2, 3.5.0.3, 3.5.0.4, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5, 3.5.6, 3.5.7, 3.5.8, 3.5.9, 3.5.10, 3.5.11, 3.5.12, 3.5.13, 3.5.14, 3.5.15, 3.5.16, 3.5.17
CPEhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
http://www.debian.org/security/2016/dsa-3625
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securitytracker.com/id/1035769
http://www.squid-cache.org/Advisories/SQUID-2016_8.txt
http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch
http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch
http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch
http://www.ubuntu.com/usn/USN-2995-1
https://access.redhat.com/errata/RHSA-2016:1138
https://access.redhat.com/errata/RHSA-2016:1139
https://access.redhat.com/errata/RHSA-2016:1140
https://security.gentoo.org/glsa/201607-01
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.