Vulnerability in Oracle Linux
CVE-2016-4553
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.
EPSS: 0.828 (99.3th 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 7
- Squid-cache Squid — versions 4.0.1, 4.0.2, 4.0.3
- 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, Vendor Advisory)
- SUSE-SU-2016:1996 (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- USN-2995-1 (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM)
- RHSA-2016:1140 (x_refsource_REDHAT, vendor-advisory)
- openSUSE-SU-2016:2081 (vendor-advisory, x_refsource_SUSE)
- RHSA-2016:1139 (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2016-4553?
- CVE-2016-4553 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-2016-4553?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2016-4553 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.