resolv.c in the DNS resolver in uIP, and dns.c in the DNS resolver in lwIP 1.4.1 and…
Priority LOW 21CWE-345Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-345.
Summary
resolv.c in the DNS resolver in uIP, and dns.c in the DNS resolver in lwIP 1.4.1 and earlier, does not use random values for ID fields and source ports of DNS query packets, which makes it easier for man-in-the-middle attackers to conduct cache-poisoning attacks via spoofed reply packets.
Why it matters now
EPSS 0.00572 47th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lwip_project:lwip:*:*:*:*:*:*:*:* | up to 1.4.1 | Vulnerable | Lwip Project |
- cpe:2.3:a:lwip_project:lwip:*:*:*:*:*:*:*:* Versions up to 1.4.1 Vulnerable ·Lwip Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2014-4883
- 2026-10-03 Alias added: GHSA-r2m4-j583-8hw8
References
More Lwip Project Lwip vulnerabilities
- TI-2020-14322 A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif()… CVSS 3.1HIGH 7.5
- TI-2020-14323 A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software… CVSS 3.1HIGH 7.5
Sources
- CVE-2014-4883 · CVE Program
- CVE-2014-4883 · NVD
- FIRST EPSS
- GHSA-r2m4-j583-8hw8 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-4883 · 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