National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-4883 Detail

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.

Source:  MITRE
Description Last Modified:  11/27/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=9fb46e120655ac481b2af8f865d5ae56c39b831a Patch
http://www.kb.cert.org/vuls/id/210620 US Government Resource

Technical Details

Vulnerability Type (View All)

  • Insufficient Verification of Data Authenticity (CWE-345)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:lwip_project:lwip:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.4.1


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-4883
NVD Published Date:
11/27/2014
NVD Last Modified:
01/08/2015