High severity · published Nov 26, 2008
CVE-2008-5162
The arc4random function in the kernel in FreeBSD 6.3 through 7.1 does not have a proper entropy source for a short time period immediately after boot, which makes it easier for…
7.0
CVSS
0.3%
EPSS
No
On KEV
Description
The arc4random function in the kernel in FreeBSD 6.3 through 7.1 does not have a proper entropy source for a short time period immediately after boot, which makes it easier for attackers to predict the function's return values and conduct certain attacks against the GEOM framework and various network protocols, related to the Yarrow random number generator.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
6.4 before 7.0; 6.3; 6.3; 6.3; 6.3; 6.3; +24 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2008-5162
CVE.org
https://www.cve.org/CVERecord?id=CVE-2008-5162
Broken Link
http://osvdb.org/50137
Broken Link
http://secunia.com/advisories/32871
Vendor Advisory
http://security.freebsd.org/advisories/FreeBSD-SA-08:11.arc4random.asc
Broken Link
http://securitytracker.com/id?1021276
Broken Link
http://www.securityfocus.com/bid/32447
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