CVE-2016-4554 describes a header smuggling vulnerability in Squid versions prior to 3.5.18, affecting various Linux distributions including Canonical and Oracle. This flaw allows remote attackers to bypass same-origin restrictions and potentially conduct cache-poisoning attacks through a crafted HTTP Host header. With a CVSSv3 score of 8.6 (HIGH), it has a network attack vector, low attack complexity, and high integrity impact, but no confidentiality or availability impact. Despite its high severity and FAUCET Risk Score of 98/100, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6CPE matchmatch criteria | cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* | ||
7CPE matchmatch criteria | cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* | ||
<= 3.5.17CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.