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CVE
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CVE-2008-1146Date: (C)2008-03-04   (M)2023-12-22


A certain pseudo-random number generator (PRNG) algorithm that uses XOR and 3-bit random hops (aka "Algorithm X3"), as used in OpenBSD 2.8 through 4.2, allows remote attackers to guess sensitive values such as DNS transaction IDs by observing a sequence of previously generated values. NOTE: this issue can be leveraged for attacks such as DNS cache poisoning against OpenBSD's modification of BIND.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 6.8
Exploit Score: 8.6
Impact Score: 6.4
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL
  
Reference:
http://www.securityfocus.com/archive/1/487658
BID-27647
SECUNIA-28819
http://www.securiteam.com/securityreviews/5PP0H0UNGW.html
http://www.trusteer.com/docs/OpenBSD_DNS_Cache_Poisoning_and_Multiple_OS_Predictable_IP_ID_Vulnerability.pdf
openbsd-prng-dns-spoofing(40329)

CPE    130
cpe:/o:apple:mac_os_x_server:10.3.8
cpe:/o:apple:mac_os_x_server:10.3.7
cpe:/o:apple:mac_os_x_server:10.3.6
cpe:/o:apple:mac_os_x_server:10.3.5
...

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