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CVE-2008-1147

6.8 · MEDIUM

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 throu…

Published Mar 4, 2008appleEPSS 1.77%

Overview

CVE-2008-1147 is a medium-severity vulnerability affecting apple mac_os_x. It was published on March 4, 2008 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from apple. Update mac_os_x to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refseclists.org/bugtraq/2008/Feb/0052.htmlRefseclists.org/bugtraq/2008/Feb/0063.htmlRefsecunia.com/advisories/28819Refwww.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/ip_id.c?rev=1.10%3Bcontenttype=Refwww.securiteam.com/securityreviews/5PP0H0UNGW.htmlRefwww.securityfocus.com/archive/1/487658Refwww.securityfocus.com/bid/27647Refwww.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdfRefexchange.xforce.ibmcloud.com/vulnerabilities/40329Refexchange.xforce.ibmcloud.com/vulnerabilities/41155

How CyberStrike helps

Frequently asked questions

What is CVE-2008-1147?

CVE-2008-1147 is a medium-severity vulnerability affecting apple mac_os_x. It was published on March 4, 2008 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2008-1147?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-1147?

Check the references section for vendor advisories and patches from apple. Update mac_os_x to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-1147?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-1147 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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