CVE-2019-5188
MEDIUMCVSS 6.7/10EPSS 1.03%
Last modified
CVE-2019-5188 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
Description
A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| E2fsprogs Project | E2fsprogs | >= 1.43.3, <= 1.45.4 |
| Fedoraproject | Fedora | 30 |
| Fedoraproject | Fedora | 31 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.04 |
| Canonical | Ubuntu Linux | 19.10 |
| Opensuse | Leap | 15.1 |
| Netapp | Hci Compute Node Firmware | All versions |
| Netapp | Solidfire\, Enterprise Sds \& Hci Storage Node | All versions |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00021.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220506-0001/Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0973Exploit, Third Party Advisory
- https://usn.ubuntu.com/4249-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00021.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220506-0001/Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0973Exploit, Third Party Advisory
- https://usn.ubuntu.com/4249-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-5188?
A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.
How severe is CVE-2019-5188?
CVE-2019-5188 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.
How do I fix CVE-2019-5188?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-5182An exploitable stack buffer overflow vulnerability vulnerabi…5.5
- CVE-2019-5183An exploitable type confusion vulnerability exists in AMD AT…9
- CVE-2019-5184An exploitable double free vulnerability exists in the ioche…7.8
- CVE-2019-5185An exploitable stack buffer overflow vulnerability vulnerabi…7
- CVE-2019-5186An exploitable stack buffer overflow vulnerability vulnerabi…7
- CVE-2019-5187An exploitable out-of-bounds write vulnerability exists in t…8.8
- CVE-2019-5205Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2019-5206Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2019-5207Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2019-5208Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2019-5209Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2019-5210Nova 5i pro and Nova 5 smartphones with versions earlier tha…7.8
Are you affected by CVE-2019-5188?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST