Vulnerability in Oracle Linux
CVE-2016-4554
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.
EPSS: 0.689 (98.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.
Affected products
- Oracle Linux — versions 6, 7
- Squid-cache Squid
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- GLSA-201607-01 (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- SUSE-SU-2016:1996 (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- USN-2995-1 (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- 1035769 (Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- RHSA-2016:1140 (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2016-4554?
- CVE-2016-4554 is a high-severity vulnerability in Oracle Linux, classified under Insufficient Verification of Data Authenticity. CVSS score: 8.6/10. Published 2016-05-10.
- How severe is CVE-2016-4554?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2016-4554 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.