CVE-2018-14634
HIGHCVSS 7.8/10Actively ExploitedEPSS 14.81%
Last modified
CVE-2018-14634 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. CISA has confirmed active exploitation in the wild. EPSS estimates a 14.81% chance of exploitation in the next 30 days.
Description
An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.
Metrics
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Paloaltonetworks | Pan-Os | >= 7.1.0, < 7.1.23 |
| Paloaltonetworks | Pan-Os | >= 8.0.0, < 8.0.16 |
| Paloaltonetworks | Pan-Os | >= 8.1.0, < 8.1.7 |
| F5 | Big-Ip Access Policy Manager | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Access Policy Manager | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Access Policy Manager | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Access Policy Manager | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Access Policy Manager | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Advanced Firewall Manager | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Analytics | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Analytics | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Analytics | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Analytics | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Analytics | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Application Acceleration Manager | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Application Security Manager | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Application Security Manager | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Application Security Manager | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Application Security Manager | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Domain Name System | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Domain Name System | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Domain Name System | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Domain Name System | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Domain Name System | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Edge Gateway | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Edge Gateway | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Edge Gateway | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Edge Gateway | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Edge Gateway | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Fraud Protection Service | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Fraud Protection Service | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Fraud Protection Service | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Fraud Protection Service | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Fraud Protection Service | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Global Traffic Manager | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Global Traffic Manager | >= 12.1.0, < 12.1.5 |
| F5 | Big-Ip Global Traffic Manager | >= 13.0.0, < 13.1.1.5 |
| F5 | Big-Ip Global Traffic Manager | >= 14.0.0, < 14.0.1.1 |
| F5 | Big-Ip Global Traffic Manager | >= 14.1.0, < 14.1.0.6 |
| F5 | Big-Ip Link Controller | >= 11.2.1, < 11.6.4 |
| F5 | Big-Ip Link Controller | >= 12.1.0, < 12.1.5 |
Showing 50 of 97 affected configurations. See NVD for the full list.
References
- http://www.openwall.com/lists/oss-security/2021/07/20/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105407Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2748Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2763Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2846Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2924Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2925Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2933Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3540Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3586Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3590Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3591Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3643Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190204-0002/Patch, Third Party Advisory
- https://security.paloaltonetworks.com/CVE-2018-14634Third Party Advisory
- https://usn.ubuntu.com/3775-1/Third Party Advisory
- https://usn.ubuntu.com/3775-2/Third Party Advisory
- https://usn.ubuntu.com/3779-1/Third Party Advisory
- https://www.exploit-db.com/exploits/45516/Exploit, Third Party Advisory, VDB Entry
- https://www.openwall.com/lists/oss-security/2018/09/25/4Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/07/20/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105407Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2748Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2763Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2846Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2924Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2925Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2933Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3540Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3586Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3590Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3591Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3643Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190204-0002/Patch, Third Party Advisory
- https://security.paloaltonetworks.com/CVE-2018-14634Third Party Advisory
- https://usn.ubuntu.com/3775-1/Third Party Advisory
- https://usn.ubuntu.com/3775-2/Third Party Advisory
- https://usn.ubuntu.com/3779-1/Third Party Advisory
- https://www.exploit-db.com/exploits/45516/Exploit, Third Party Advisory, VDB Entry
- https://www.openwall.com/lists/oss-security/2018/09/25/4Exploit, Mailing List, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14634US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2018-14634?
An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.
How severe is CVE-2018-14634?
CVE-2018-14634 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 14.81% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2018-14634?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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