The get_option function in dhcp.c in dhcpcd before 6.2.0, as used in dhcpcd 5.x in…
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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
The get_option function in dhcp.c in dhcpcd before 6.2.0, as used in dhcpcd 5.x in Android before 5.1 and other products, does not validate the relationship between length fields and the amount of data, which allows remote DHCP servers to execute arbitrary code or cause a denial of service (memory corruption) via a large length value of an option in a DHCPACK message.
Why it matters now
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:* | up to 6.1.0 | Vulnerable | NetworkConfiguration |
| cpe:2.3:o:google:android:*:*:*:*:*:*:*:* | all versions | Running on |
- cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:* Versions up to 6.1.0 Vulnerable ·NetworkConfiguration
- cpe:2.3:o:google:android:*:*:*:*:*:*:*:* Versions all versions Running on ·Google
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2014-7912
- 2026-10-03 Alias added: GHSA-f6q4-hgr5-frj4
References
More NetworkConfiguration Dhcpcd vulnerabilities
- TI-2019-08650 dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses. CVSS 3.0CRITICAL 9.8
- TI-2016-01390 dhcpcd before 6.10.0, as used in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x… CVSS 3.0CRITICAL 9.8
- TI-2019-08823 dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature. CVSS 3.1CRITICAL 9.8
- TI-2016-01391 dhcpcd before 6.10.0 allows remote attackers to cause a denial of service (invalid read… CVSS 3.0HIGH 7.5
- TI-2012-05402 The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated… CVSS 3.0HIGH 7.5
- TI-2012-05401 The decode_search function in dhcp.c in dhcpcd 3.x allows remote DHCP servers to cause a… CVSS 3.0HIGH 7.5
Sources
- CVE-2014-7912 · CVE Program
- CVE-2014-7912 · NVD
- FIRST EPSS
- GHSA-f6q4-hgr5-frj4 · GitHub Advisory Database · CC BY 4.0
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