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NFS Improper Input Validation

Posted May 28, 2010

Authored by Patroklos Argyroudis | Site census-labs.com

Census Labs have discovered two improper input validation vulnerabilities in the FreeBSD kernel's NFS client-side implementation (FreeBSD 8.0-RELEASE, 7.3-RELEASE and 7.2-RELEASE) that allow local unprivileged users to escalate their privileges, or to crash the system by performing a denial of service attack.

tags | advisory, denial of service, kernel, local, vulnerability

systems | freebsd

advisories | CVE-2010-2020

SHA-256 | 7bd9d69552b70351a19fbe5774c1749a4db9386e89b78adad0dde849ae2ec339

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nfs_mount() Local Denial Of Service / Privilege Escalation

Posted May 28, 2010

Authored by Patroklos Argyroudis | Site census-labs.com

Local kernel exploit for nfs_mount() on FreeBSD versions 8.0, 7.3 and 7.2. It escalates privileges on versions 7.2 and 7.3 and causes a denial of service on 8.0.

tags | exploit, denial of service, kernel, local

systems | freebsd

advisories | CVE-2010-2020

SHA-256 | 92298b6c7ebbb8ffd472450225e595757b19ebf2c26e89e268dc728e7a3e68b3

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