PT-2014-6187 · Contiki+1 · Uip+1

Allen D. Householder · Published 2014-11-28 · Updated 2015-01-08 · CVE-2014-4883

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions lwIP versions 1.4.1 and earlier uIP (affected versions not specified)

Description The issue concerns the DNS resolver in uIP and lwIP, where the resolv.c and dns.c files do not utilize random values for ID fields and source ports of DNS query packets. This oversight facilitates man-in-the-middle attacks, as attackers can conduct cache-poisoning attacks via spoofed reply packets.

Recommendations For lwIP versions 1.4.1 and earlier, consider updating to a version that incorporates randomization for ID fields and source ports in DNS queries. For uIP, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

CVE-2014-4883

Affected Products

Lwip

Uip

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2014-4883 · Security Note
• https://cve.org/CVERecord?id=CVE-2014-4883 · Security Note
• http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=9fb46e120655ac481b2af8f865d5ae56c39b831a · Patch
• https://ubuntu.com/security/CVE-2014-4883 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2014-4883 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1169008 · Note
• http://kb.cert.org/vuls/id/210620 · Note