CVE-2006-4516 EXPLOIT
4.9
MEDIUM · CVSS 2.0 · EPSS 0.8% (pctl 56)
Patch early
A public exploit exists.
Description
Integer signedness error in FreeBSD 6.0-RELEASE allows local users to cause a denial of service (memory corruption and kernel panic) via a PT_LWPINFO ptrace command with a large negative data value that satisfies a signed maximum value check but is used in an unsigned copyout function call.
Scoring
| CVSS | 4.9 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:N/I:N/A:C |
| EPSS | 0.81% — more likely to be exploited than 56% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2006-10-12 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| freebsd | freebsd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | FreeBSD 5.4/6.0 - 'ptrace PT_LWPINFO' Local Denial of Service | 2006-10-12 |
References
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=419
- http://secunia.com/advisories/22367
- http://www.securityfocus.com/bid/20440
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29476
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=419
- http://secunia.com/advisories/22367
- http://www.securityfocus.com/bid/20440
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29476
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