VulnerabilityModified
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 man-in-the-middle attackers to conduct…
MEDIUM 4.3EPSS 0.57%
Does this matter?
Lower severity and a low EPSS score (0.57%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 0.57% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-345
- Affected
- lwip project/lwip
- Source
- cret@cert.org
References
- http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=9fb46e120655ac481b2af8f865d5ae56c39b831aPatch
- http://www.kb.cert.org/vuls/id/210620US Government Resource
- http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=9fb46e120655ac481b2af8f865d5ae56c39b831aPatch
- http://www.kb.cert.org/vuls/id/210620US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.