Open Redirect in Apache Tomcat
CVE-2018-11784
When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the user requested '/foo') a specially crafted URL could be used to cause the redirect to be generated to any URI of the attackers choice.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.977 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.945 · newest: 0.977 · change: +0.032
Affected products
- Apache Tomcat — versions 9.0.0
- Apache Software Foundation Tomcat — versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33, 7.0.23 to 7.0.90
- NetApp Snap Creator Framework
- Oracle Communications Application Session Controller — versions 3.7.1, 3.8.0
- Oracle Hospitality Guest Access — versions 4.2.0, 4.2.1
- Oracle Instantis Enterprisetrack — versions 17.1, 17.2, 17.3
- Oracle Retail Order Broker — versions 5.1, 5.2, 15.0
- Oracle Secure Global Desktop — versions 5.4
- Canonical Ubuntu Linux — versions 14.04, 16.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html (Patch, Third Party Advisory)
- lists.apache.org/thread.html/23134c9b5a23892a205dc140cdd8c9c0add233600f76b313dd… (mailing-list)
- security.netapp.com/advisory/ntap-20181014-0002/ (Third Party Advisory)
- www.securityfocus.com/bid/105524 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2019:0131 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0485 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0130 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00005.html (mailing-list, Third Party Advisory)
- usn.ubuntu.com/3787-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00006.html (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-11784?
- CVE-2018-11784 is a medium-severity vulnerability in Apache Tomcat, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2018-10-04.
- How severe is CVE-2018-11784?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2018-11784 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.