ID:4136 - Exploit for Permissions, Privileges, and Access Controls in Linux kernel - CVE-2011-1020

Link to public exploit:

Vulnerability description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program, which allows local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.

Remediation