Buffer overflow in E2fsprogs Project
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001
Affected products
- E2fsprogs Project
- NetApp Hci Compute Node
- NetApp Hci Compute Node Firmware
- NetApp Solidfire\, Enterprise Sds \& Hci Storage Node
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 30, 31
- openSUSE Leap — versions 15.1
- E2fsprogs — versions 1.43.3 - 1.45.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4249-1/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00004.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/03/msg00030.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
- talosintelligence.com/vulnerability_reports/TALOS-2019-0973 (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220506-0001/ (Third Party Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2019-5188?
- CVE-2019-5188 is a high-severity vulnerability in E2fsprogs Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-01-08.
- How severe is CVE-2019-5188?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-5188 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.