The Tomcat package on Red Hat Enterprise Linux (RHEL) 7, Fedora, CentOS, Oracle Linux, and possibly other Linux distributions uses weak perm
The Tomcat package on Red Hat Enterprise Linux (RHEL) 7, Fedora, CentOS, Oracle Linux, and possibly other Linux distributions uses weak permissions for /usr/lib/tmpfiles.d/tomcat.conf, which allows local users to gain root privileges by leveraging membership in the tomcat group.
- Published
- Oct 13, 2016
- Updated
- Jun 16, 2026
- EPSS
- 3.8% · 90th percentile
- CWE
- CWE-276
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Report tools
Action score
32
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| oracle | instantis enterprisetrack | cpe:2.3:a:oracle:instantis_enterprisetrack |
| oracle | linux | cpe:2.3:o:oracle:linux |
| apache | tomcat | cpe:2.3:a:apache:tomcat |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
| redhat | enterprise linux server | cpe:2.3:o:redhat:enterprise_linux_server |
| redhat | enterprise linux server aus | cpe:2.3:o:redhat:enterprise_linux_server_aus |
| redhat | enterprise linux server eus | cpe:2.3:o:redhat:enterprise_linux_server_eus |
| redhat | enterprise linux server tus | cpe:2.3:o:redhat:enterprise_linux_server_tus |
| redhat | enterprise linux workstation | cpe:2.3:o:redhat:enterprise_linux_workstation |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apache tomcatall versions
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Red Hat:enterprise_linux:7::client | tomcat | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-admin-webapps | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-docs-webapp | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-el-2.2-api | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-javadoc | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-jsp-2.2-api | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-jsvc | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-lib | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-servlet-3.0-api | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
| Red Hat:enterprise_linux:7::client | tomcat-webapps | before 0:7.0.54-8.el7_2 | 0:7.0.54-8.el7_2 |
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| red hat:tomcat | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-admin-webapps | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-docs-webapp | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-el-2.2-api | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-javadoc | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-jsp-2.2-api | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-jsvc | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-lib | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-servlet-3.0-api | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:tomcat-webapps | 0:7.0.54-8.el7_2 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | local | 2016-10-10 |
| Metasploit module | exploit/linux/local/tomcat_rhel_based_temp_priv_escApache Tomcat on RedHat Based Systems Insecure Temp Config Privilege Escalationexploit | 2016-10-10 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-3 d
- Metasploit-3 d
- Published
- TodaySep 30, 2026+3639 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-276 · Incorrect Default PermissionsCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- rhn.redhat.com/errata/RHSA-2016-2046.html
- www.openwall.com/lists/oss-security/2016/10/10/2
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- www.securityfocus.com/bid/93472
- www.securitytracker.com/id/1036979
- lists.apache.org/thread.html/6b414817c2b0bf351138911c8c922ec5dd577ebc0b9a7f42d705752d%40%3Cissues.activemq.apache.org%3E
- www.exploit-db.com/exploits/40488/
- www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.