Vulnerability in Cisco iOS
CVE-2008-1447
The DNS protocol, as implemented in (1) BIND 8 and 9 before 9.5.0-P1, 9.4.2-P1, and 9.3.5-P1; (2) Microsoft DNS in Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 and SP2; and other implementations allow remote attackers to spoof DNS traffic via a birthday attack that uses in-bailiwick referrals to conduct cache poisoning against recursive resolvers, related to insufficient randomness of DNS transaction IDs and source ports, aka "DNS Insufficient Socket Entropy Vulnerability" or "the Kaminsky bug."
EPSS: 0.952 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N.
Affected products
- Cisco Ios — versions 12.0
- Isc Bind — versions 4, 8, 9.2.9
- Microsoft Windows_2000
- Microsoft Windows_server_2003
- Microsoft Windows_xp
- Canonical Ubuntu_linux — versions 6.06, 7.04, 7.10
- Debian Debian_linux — versions 4.0
- Redhat Enterprise_linux — versions 2.1, 5, 5.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- secure@microsoft.com (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- secure@microsoft.com (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- secure@microsoft.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secure@microsoft.com (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
- secure@microsoft.com (x_refsource_CONFIRM, US Government Resource, Third Party Advisory)
- secure@microsoft.com (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
- secure@microsoft.com (x_refsource_CONFIRM, Third Party Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2008-1447?
- CVE-2008-1447 is a medium-severity vulnerability in Cisco iOS, classified under Insufficient Entropy. CVSS score: 6.8/10. Published 2008-07-08.
- How severe is CVE-2008-1447?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2008-1447 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.