Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE…
Priority MEDIUM 60CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.
Why it matters now
EPSS 0.22068 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 44
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:6:stable:*:*:*:*:*:* | 6 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:* | 6.4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.4:release:*:*:*:*:*:* | 6.4 release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.4:release_p2:*:*:*:*:*:* | 6.4 release_p2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.4:release_p3:*:*:*:*:*:* | 6.4 release_p3 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.4:release_p4:*:*:*:*:*:* | 6.4 release_p4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.4:release_p5:*:*:*:*:*:* | 6.4 release_p5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.4:stable:*:*:*:*:*:* | 6.4 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:beta_4:*:*:*:*:*:* | 7.0 beta_4 | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:6:stable:*:*:*:*:*:* Versions 6 stable Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:* Versions 6.4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.4:release:*:*:*:*:*:* Versions 6.4 release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.4:release_p2:*:*:*:*:*:* Versions 6.4 release_p2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.4:release_p3:*:*:*:*:*:* Versions 6.4 release_p3 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.4:release_p4:*:*:*:*:*:* Versions 6.4 release_p4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.4:release_p5:*:*:*:*:*:* Versions 6.4 release_p5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.4:stable:*:*:*:*:*:* Versions 6.4 stable Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:beta_4:*:*:*:*:*:* Versions 7.0 beta_4 Vulnerable ·FreeBSD
Show 34 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:7.0:current:*:*:*:*:*:* | 7.0 current | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:pre-release:*:*:*:*:*:* | 7.0 pre-release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:release:*:*:*:*:*:* | 7.0 release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:release-p12:*:*:*:*:*:* | 7.0 release-p12 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:release-p8:*:*:*:*:*:* | 7.0 release-p8 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:release-p9:*:*:*:*:*:* | 7.0 release-p9 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:releng:*:*:*:*:*:* | 7.0 releng | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0:stable:*:*:*:*:*:* | 7.0 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0-release:*:*:*:*:*:*:* | 7.0-release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0_beta4:*:*:*:*:*:*:* | 7.0_beta4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.0_releng:*:*:*:*:*:*:* | 7.0_releng | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:*:*:*:*:*:*:* | 7.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:pre-release:*:*:*:*:*:* | 7.1 pre-release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:rc1:*:*:*:*:*:* | 7.1 rc1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:release-p1:*:*:*:*:*:* | 7.1 release-p1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:release-p2:*:*:*:*:*:* | 7.1 release-p2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:release-p4:*:*:*:*:*:* | 7.1 release-p4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:release-p5:*:*:*:*:*:* | 7.1 release-p5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:release-p6:*:*:*:*:*:* | 7.1 release-p6 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.1:stable:*:*:*:*:*:* | 7.1 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:* | 7.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:* | 7.2 pre-release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:7.2:stable:*:*:*:*:*:* | 7.2 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:8.1-prerelease:*:*:*:*:*:*:* | 8.1-prerelease | Vulnerable | FreeBSD |
| cpe:2.3:a:nrl:opie:*:test1:*:*:*:*:*:* | up to 2.4.1 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.4:*:*:*:*:*:*:* | 2.4 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.10:*:*:*:*:*:*:* | 2.10 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.11:*:*:*:*:*:*:* | 2.11 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.21:*:*:*:*:*:*:* | 2.21 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.22:*:*:*:*:*:*:* | 2.22 | Vulnerable | Nrl |
| cpe:2.3:a:nrl:opie:2.32:*:*:*:*:*:*:* | 2.32 | Vulnerable | Nrl |
- cpe:2.3:o:freebsd:freebsd:7.0:current:*:*:*:*:*:* Versions 7.0 current Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:pre-release:*:*:*:*:*:* Versions 7.0 pre-release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:release:*:*:*:*:*:* Versions 7.0 release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:release-p12:*:*:*:*:*:* Versions 7.0 release-p12 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:release-p8:*:*:*:*:*:* Versions 7.0 release-p8 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:release-p9:*:*:*:*:*:* Versions 7.0 release-p9 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:releng:*:*:*:*:*:* Versions 7.0 releng Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0:stable:*:*:*:*:*:* Versions 7.0 stable Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0-release:*:*:*:*:*:*:* Versions 7.0-release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0_beta4:*:*:*:*:*:*:* Versions 7.0_beta4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.0_releng:*:*:*:*:*:*:* Versions 7.0_releng Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:pre-release:*:*:*:*:*:* Versions 7.1 pre-release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:rc1:*:*:*:*:*:* Versions 7.1 rc1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:release-p1:*:*:*:*:*:* Versions 7.1 release-p1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:release-p2:*:*:*:*:*:* Versions 7.1 release-p2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:release-p4:*:*:*:*:*:* Versions 7.1 release-p4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:release-p5:*:*:*:*:*:* Versions 7.1 release-p5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:release-p6:*:*:*:*:*:* Versions 7.1 release-p6 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.1:stable:*:*:*:*:*:* Versions 7.1 stable Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.2:pre-release:*:*:*:*:*:* Versions 7.2 pre-release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:7.2:stable:*:*:*:*:*:* Versions 7.2 stable Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:8.1-prerelease:*:*:*:*:*:*:* Versions 8.1-prerelease Vulnerable ·FreeBSD
- cpe:2.3:a:nrl:opie:*:test1:*:*:*:*:*:* Versions up to 2.4.1 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.10:*:*:*:*:*:*:* Versions 2.10 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.11:*:*:*:*:*:*:* Versions 2.11 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.21:*:*:*:*:*:*:* Versions 2.21 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.22:*:*:*:*:*:*:* Versions 2.22 Vulnerable ·Nrl
- cpe:2.3:a:nrl:opie:2.32:*:*:*:*:*:*:* Versions 2.32 Vulnerable ·Nrl
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-1938
- 2026-10-03 Alias added: GHSA-grpr-f38p-j58f
References
Sources
- CVE-2010-1938 · CVE Program
- CVE-2010-1938 · NVD
- FIRST EPSS
- GHSA-grpr-f38p-j58f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences