pt_chown in GNU C Library (aka glibc or libc6) before 2.18 does not properly check…
Priority LOW 13CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
pt_chown in GNU C Library (aka glibc or libc6) before 2.18 does not properly check permissions for tty files, which allows local users to change the permission on the files and obtain access to arbitrary pseudo-terminals by leveraging a FUSE file system.
Why it matters now
EPSS 0.00352 29th percentileScored 2026-11-07
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 · 28
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* | up to 2.17 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* | 2.0.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | GNU |
- cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* Versions up to 2.17 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·GNU
Show 18 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* | 2.1.1.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:* | 2.1.9 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.10.1:*:*:*:*:*:*:* | 2.10.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.11:*:*:*:*:*:*:* | 2.11 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.11.1:*:*:*:*:*:*:* | 2.11.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.11.2:*:*:*:*:*:*:* | 2.11.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.11.3:*:*:*:*:*:*:* | 2.11.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.12.1:*:*:*:*:*:*:* | 2.12.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.12.2:*:*:*:*:*:*:* | 2.12.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.13:*:*:*:*:*:*:* | 2.13 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.14:*:*:*:*:*:*:* | 2.14 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.14.1:*:*:*:*:*:*:* | 2.14.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.15:*:*:*:*:*:*:* | 2.15 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.16:*:*:*:*:*:*:* | 2.16 | Vulnerable | GNU |
| cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* | 18 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* | 19 | Vulnerable | Fedoraproject |
- cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* Versions 2.1.1.6 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:* Versions 2.1.9 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.10.1:*:*:*:*:*:*:* Versions 2.10.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.11:*:*:*:*:*:*:* Versions 2.11 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.11.1:*:*:*:*:*:*:* Versions 2.11.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.11.2:*:*:*:*:*:*:* Versions 2.11.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.11.3:*:*:*:*:*:*:* Versions 2.11.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.12.1:*:*:*:*:*:*:* Versions 2.12.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.12.2:*:*:*:*:*:*:* Versions 2.12.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.13:*:*:*:*:*:*:* Versions 2.13 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.14:*:*:*:*:*:*:* Versions 2.14 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.14.1:*:*:*:*:*:*:* Versions 2.14.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.15:*:*:*:*:*:*:* Versions 2.15 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.16:*:*:*:*:*:*:* Versions 2.16 Vulnerable ·GNU
- cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* Versions 18 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* Versions 19 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2207
- 2026-10-03 Alias added: GHSA-g33j-hgrw-88mh
References
Sources
- CVE-2013-2207 · CVE Program
- CVE-2013-2207 · NVD
- FIRST EPSS
- GHSA-g33j-hgrw-88mh · GitHub Advisory Database · CC BY 4.0
- CVE-2013-2207 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences