Buffer overflow in E2fsprogs Project
CVE-2019-5094
An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, 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 (65.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- E2fsprogs Project
- NetApp Hci Management Node
- NetApp Solidfire
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0, 9.0, 10.0
- Fedoraproject Fedora — versions 30, 31
- E2fsprogs — versions E2fsprogs 1.43.3 - 1.45.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2019/dsa-4535 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/09/msg00029.html (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/bugtraq/2019/Sep/58 (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4142-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4142-1/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202003-05 (vendor-advisory, Third Party Advisory)
- talosintelligence.com/vulnerability_reports/TALOS-2019-0887 (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200115-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5094?
- CVE-2019-5094 is a high-severity vulnerability in E2fsprogs Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2019-09-24.
- How severe is CVE-2019-5094?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-5094 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.