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CVE-2014-4883 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....

MediumCVSS 4.3 EPSS 0.57%
Published
Updated
Exploit status
No public exploit known

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 products

ProductAffected versionsFixed in
lwip project lwip <= 1.4.1 No fix listed
ubuntu/lwipv6(Ubuntu:24.04) All versions No fix listed
ubuntu/lwipv6(Ubuntu:26.04) All versions No fix listed
ubuntu/lwipv6(Ubuntu:26.10) All versions No fix listed
ubuntu/lwipv6(Ubuntu:22.04) All versions No fix listed

References