Vulnerability Monitor

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CVE-2008-1147

A certain pseudo-random number generator (PRNG) algorithm that uses XOR and 2-bit random hops (aka "Algorithm X2"), as used in OpenBSD 2.6 through 3.4, Mac OS X 10 through 10.5.1, FreeBSD 4.4 through 7.0, and DragonFlyBSD 1.0 through 1.10.1, allows remote attackers to guess sensitive values such as IP fragmentation IDs by observing a sequence of previously generated values. NOTE: this issue can be leveraged for attacks such as injection into TCP packets and OS fingerprinting.

Security Impact Summary

CVE-2008-1147 is a security vulnerability that . Impacting 9 products from apple, from apple, from dragonflybsd and 6 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2008, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2008-03-04T23:44:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	mac_os_x	10.0	No
Operating System	apple	mac_os_x	10.0.1	No
Operating System	apple	mac_os_x	10.0.2	No
Operating System	apple	mac_os_x	10.0.3	No
Operating System	apple	mac_os_x	10.0.4	No
Operating System	apple	mac_os_x	10.1	No
Operating System	apple	mac_os_x	10.1.1	No
Operating System	apple	mac_os_x	10.1.2	No
Operating System	apple	mac_os_x	10.1.3	No
Operating System	apple	mac_os_x	10.1.4	No
Operating System	apple	mac_os_x	10.1.5	No
Operating System	apple	mac_os_x	10.2	No
Operating System	apple	mac_os_x	10.2.1	No
Operating System	apple	mac_os_x	10.2.2	No
Operating System	apple	mac_os_x	10.2.3	No
Operating System	apple	mac_os_x	10.2.4	No
Operating System	apple	mac_os_x	10.2.5	No
Operating System	apple	mac_os_x	10.2.6	No
Operating System	apple	mac_os_x	10.2.7	No
Operating System	apple	mac_os_x	10.2.8	No
Operating System	apple	mac_os_x	10.3	No
Operating System	apple	mac_os_x	10.3.1	No
Operating System	apple	mac_os_x	10.3.2	No
Operating System	apple	mac_os_x	10.3.3	No
Operating System	apple	mac_os_x	10.3.4	No
Operating System	apple	mac_os_x	10.3.5	No
Operating System	apple	mac_os_x	10.3.6	No
Operating System	apple	mac_os_x	10.3.7	No
Operating System	apple	mac_os_x	10.3.8	No
Operating System	apple	mac_os_x	10.3.9	No
Operating System	apple	mac_os_x	10.4	No
Operating System	apple	mac_os_x	10.4.1	No
Operating System	apple	mac_os_x	10.4.2	No
Operating System	apple	mac_os_x	10.4.3	No
Operating System	apple	mac_os_x	10.4.4	No
Operating System	apple	mac_os_x	10.4.5	No
Operating System	apple	mac_os_x	10.4.6	No
Operating System	apple	mac_os_x	10.4.7	No
Operating System	apple	mac_os_x	10.4.8	No
Operating System	apple	mac_os_x	10.4.9	No
Operating System	apple	mac_os_x	10.4.10	No
Operating System	apple	mac_os_x	10.4.11	No
Operating System	apple	mac_os_x	10.5	No
Operating System	apple	mac_os_x	10.5.1	No
Operating System	apple	mac_os_x_server	10.0	No
Operating System	apple	mac_os_x_server	10.1	No
Operating System	apple	mac_os_x_server	10.1.1	No
Operating System	apple	mac_os_x_server	10.1.2	No
Operating System	apple	mac_os_x_server	10.1.3	No
Operating System	apple	mac_os_x_server	10.1.4	No
Operating System	apple	mac_os_x_server	10.1.5	No
Operating System	apple	mac_os_x_server	10.2	No
Operating System	apple	mac_os_x_server	10.2.1	No
Operating System	apple	mac_os_x_server	10.2.2	No
Operating System	apple	mac_os_x_server	10.2.3	No
Operating System	apple	mac_os_x_server	10.2.4	No
Operating System	apple	mac_os_x_server	10.2.5	No
Operating System	apple	mac_os_x_server	10.2.6	No
Operating System	apple	mac_os_x_server	10.2.7	No
Operating System	apple	mac_os_x_server	10.2.8	No
Operating System	apple	mac_os_x_server	10.3	No
Operating System	apple	mac_os_x_server	10.3.1	No
Operating System	apple	mac_os_x_server	10.3.2	No
Operating System	apple	mac_os_x_server	10.3.3	No
Operating System	apple	mac_os_x_server	10.3.4	No
Operating System	apple	mac_os_x_server	10.3.5	No
Operating System	apple	mac_os_x_server	10.3.6	No
Operating System	apple	mac_os_x_server	10.3.7	No
Operating System	apple	mac_os_x_server	10.3.8	No
Operating System	apple	mac_os_x_server	10.3.9	No
Operating System	apple	mac_os_x_server	10.4	No
Operating System	apple	mac_os_x_server	10.4.1	No
Operating System	apple	mac_os_x_server	10.4.2	No
Operating System	apple	mac_os_x_server	10.4.3	No
Operating System	apple	mac_os_x_server	10.4.4	No
Operating System	apple	mac_os_x_server	10.4.5	No
Operating System	apple	mac_os_x_server	10.4.6	No
Operating System	apple	mac_os_x_server	10.4.7	No
Operating System	apple	mac_os_x_server	10.4.8	No
Operating System	apple	mac_os_x_server	10.4.9	No
Operating System	apple	mac_os_x_server	10.4.10	No
Operating System	apple	mac_os_x_server	10.4.11	No
Operating System	apple	mac_os_x_server	10.5	No
Operating System	dragonflybsd	dragonflybsd	1.0	No
Operating System	dragonflybsd	dragonflybsd	1.1	No
Operating System	dragonflybsd	dragonflybsd	1.2	No
Operating System	dragonflybsd	dragonflybsd	1.10.1	No
Operating System	freebsd	freebsd	4.4	No
Operating System	freebsd	freebsd	4.4	No
Operating System	freebsd	freebsd	4.4	No
Operating System	freebsd	freebsd	4.4	No
Operating System	freebsd	freebsd	4.5	No
Operating System	freebsd	freebsd	4.5	No
Operating System	freebsd	freebsd	4.5	No
Operating System	freebsd	freebsd	4.5	No
Operating System	freebsd	freebsd	4.5	No
Operating System	freebsd	freebsd	4.6	No
Operating System	freebsd	freebsd	4.6	No
Operating System	freebsd	freebsd	4.6	No
Operating System	freebsd	freebsd	4.6	No
Operating System	freebsd	freebsd	4.6	No
Operating System	freebsd	freebsd	4.6.2	No
Operating System	freebsd	freebsd	4.7	No
Operating System	freebsd	freebsd	4.7	No
Operating System	freebsd	freebsd	4.7	No
Operating System	freebsd	freebsd	4.7	No
Operating System	freebsd	freebsd	4.7	No
Operating System	freebsd	freebsd	4.8	No
Operating System	freebsd	freebsd	4.8	No
Operating System	freebsd	freebsd	4.8	No
Operating System	freebsd	freebsd	4.8_prerelease	No
Operating System	freebsd	freebsd	4.9	No
Operating System	freebsd	freebsd	4.9	No
Operating System	freebsd	freebsd	4.9_prerelease	No
Operating System	freebsd	freebsd	4.10	No
Operating System	freebsd	freebsd	4.10	No
Operating System	freebsd	freebsd	4.10	No
Operating System	freebsd	freebsd	4.10	No
Operating System	freebsd	freebsd	4.10_prerelease	No
Operating System	freebsd	freebsd	4.11	No
Operating System	freebsd	freebsd	4.11	No
Operating System	freebsd	freebsd	4.11	No
Operating System	freebsd	freebsd	4.11_p20_release	No
Operating System	freebsd	freebsd	4.11_release	No
Operating System	freebsd	freebsd	5.0	No
Operating System	freebsd	freebsd	5.0	No
Operating System	freebsd	freebsd	5.0	No
Operating System	freebsd	freebsd	5.0	No
Operating System	freebsd	freebsd	5.1	No
Operating System	freebsd	freebsd	5.1	No
Operating System	freebsd	freebsd	5.1	No
Operating System	freebsd	freebsd	5.1	No
Operating System	freebsd	freebsd	5.1	No
Operating System	freebsd	freebsd	5.2	No
Operating System	freebsd	freebsd	5.2.1	No
Operating System	freebsd	freebsd	5.2.1	No
Operating System	freebsd	freebsd	5.3	No
Operating System	freebsd	freebsd	5.3	No
Operating System	freebsd	freebsd	5.3	No
Operating System	freebsd	freebsd	5.3	No
Operating System	freebsd	freebsd	5.4	No
Operating System	freebsd	freebsd	5.4	No
Operating System	freebsd	freebsd	5.4	No
Operating System	freebsd	freebsd	5.5_release	No
Operating System	freebsd	freebsd	5.5_stable	No
Operating System	freebsd	freebsd	6.0	No
Operating System	freebsd	freebsd	6.0	No
Operating System	freebsd	freebsd	6.0	No
Operating System	freebsd	freebsd	6.0_p5_release	No
Operating System	freebsd	freebsd	6.1	No
Operating System	freebsd	freebsd	6.1	No
Operating System	freebsd	freebsd	6.1	No
Operating System	freebsd	freebsd	6.1	No
Operating System	freebsd	freebsd	6.2	No
Operating System	freebsd	freebsd	6.2	No
Operating System	freebsd	freebsd	6.2_releng	No
Operating System	freebsd	freebsd	6.3	No
Operating System	freebsd	freebsd	6.3_releng	No
Operating System	freebsd	freebsd	7.0	No
Operating System	freebsd	freebsd	7.0_beta4	No
Operating System	freebsd	freebsd	7.0_releng	No
Operating System	netbsd	netbsd	1.6.2	No
Operating System	netbsd	netbsd	2.0	No
Operating System	netbsd	netbsd	2.0.1	No
Operating System	netbsd	netbsd	2.0.2	No
Operating System	netbsd	netbsd	2.0.3	No
Operating System	netbsd	netbsd	2.0.4	No
Operating System	netbsd	netbsd	2.1	No
Operating System	netbsd	netbsd	2.1.1	No
Operating System	netbsd	netbsd	3.0.1	No
Operating System	netbsd	netbsd	3.0.2	No
Operating System	netbsd	netbsd	3.1	No
Operating System	netbsd	netbsd	3.1	No
Operating System	netbsd	netbsd	3.1	No
Operating System	netbsd	netbsd	4.0	No
Operating System	netbsd	netbsd	4.0	No
Operating System	netbsd	netbsd	4.0	No
Operating System	openbsd	openbsd	2.6	No
Operating System	openbsd	openbsd	2.7	No
Operating System	openbsd	openbsd	2.8	No
Operating System	openbsd	openbsd	2.9	No
Operating System	openbsd	openbsd	3.0	No
Operating System	openbsd	openbsd	3.1	No
Operating System	openbsd	openbsd	3.2	No
Operating System	openbsd	openbsd	3.3	No
Operating System	openbsd	openbsd	3.4	No
Operating System	openbsd	openbsd	3.5	No
Operating System	openbsd	openbsd	3.6	No
Operating System	openbsd	openbsd	3.7	No
Operating System	openbsd	openbsd	3.8	No
Operating System	openbsd	openbsd	3.9	No
Operating System	openbsd	openbsd	4.0	No
Operating System	openbsd	openbsd	4.1	No
Operating System	openbsd	openbsd	4.2	No
Application	cosmicperl	directory_pro	10.0.3	Yes
Application	darwin	darwin	1.0	Yes
Application	darwin	darwin	9.1	Yes
Application	navision	financials_server	3.0	Yes

References

http://seclists.org/bugtraq/2008/Feb/0052.html ([email protected])
http://seclists.org/bugtraq/2008/Feb/0063.html ([email protected])
http://secunia.com/advisories/28819 Vendor Advisory ([email protected])
http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/ip_id.c?rev=1.10%3Bcontenttype= ([email protected])
http://www.securiteam.com/securityreviews/5PP0H0UNGW.html ([email protected])
http://www.securityfocus.com/archive/1/487658 ([email protected])
http://www.securityfocus.com/bid/27647 ([email protected])
http://www.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdf ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/40329 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/41155 ([email protected])
http://seclists.org/bugtraq/2008/Feb/0052.html (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/bugtraq/2008/Feb/0063.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/28819 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/ip_id.c?rev=1.10%3Bcontenttype= (af854a3a-2127-422b-91ae-364da2661108)
http://www.securiteam.com/securityreviews/5PP0H0UNGW.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/487658 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/27647 (af854a3a-2127-422b-91ae-364da2661108)
http://www.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdf (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/40329 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/41155 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apple's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.