CVEvulnerability

CVE-2014-4883

4.3 MEDIUM Published 2014-11-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2014-11-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
CWE-345

Description

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.

Affected configurations

• lwip project lwip (<= 1.4.1)

Related

Weakness · CWE (1)

  • CWE-345 Insufficient Verification of Data Authenticity weakness

References