The libfsntfs_mft_entry_read_header function in libfsntfs_mft_entry.c in libfsntfs through 2018-04-20 allows remote attackers to cause an in
The libfsntfs_mft_entry_read_header function in libfsntfs_mft_entry.c in libfsntfs through 2018-04-20 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via a crafted ntfs file. NOTE: the vendor has disputed this as described in libyal/libfsntfs issue 8 on GitHub
- Published
- Jun 19, 2018
- Updated
- Jun 16, 2026
- EPSS
- 1.2% · 67th percentile
- CWE
- CWE-125
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Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.2%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; 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 helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| libfsntfs project | libfsntfs | cpe:2.3:a:libfsntfs_project:libfsntfs |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- libfsntfs project libfsntfsup to 20180420 inclusive
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | libfsntfs | before 20190104-1 | 20190104-1 |
Same product
libfsntfs project: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-11731The libfsntfs_mft_entry_read_attributes function in libfsntfs_mft_entry.c in libfsntfs through 2018-04-20 allows remote attackers to cause a22Monitor
- CVE-2018-11730The libfsntfs_security_descriptor_values_free function in libfsntfs_security_descriptor_values.c in libfsntfs through 2018-04-20 allows remo22Monitor
- CVE-2018-11728The libfsntfs_reparse_point_values_read_data function in libfsntfs_reparse_point_values.c in libfsntfs through 2018-04-20 allows remote atta22Monitor
- CVE-2018-11727The libfsntfs_attribute_read_from_mft function in libfsntfs_attribute.c in libfsntfs through 2018-04-20 allows remote attackers to cause an 22Monitor
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 |
|---|---|---|
| debian:libfsntfs | 20190104-1 · Debian:12 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
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.
No dated events beyond publication.
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.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-125 · Out-of-bounds ReadCVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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)
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- packetstormsecurity.com/files/148115/libfsntfs-20180420-Information-Disclosure.html
- seclists.org/fulldisclosure/2018/Jun/17
Vendor advisories and official records. Exploit/PoC links are deliberately left out.