Vulnerability in FreeBSD
CVE-2003-1230
The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.4 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.014 (70.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- FreeBSD — versions 4.5, 4.6, 4.7
References
- www.osvdb.org/19785 (vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/11397 (vdb-entry)
- www.securityfocus.com/bid/6920 (Patch, vdb-entry)
- secunia.com/advisories/8142/ (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/advisories/5013 (vendor-advisory, Patch, Vendor Advisory)