CVE-2011-1020 Information

Description

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.

Reference

http://openwall.com/lists/oss-security/2011/02/24/18 http://openwall.com/lists/oss-security/2011/02/25/2 http://seclists.org/fulldisclosure/2011/Jan/421 http://secunia.com/advisories/43496 http://securityreason.com/securityalert/8107 http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/ http://www.securityfocus.com/bid/46567 https://exchange.xforce.ibmcloud.com/vulnerabilities/65693 https://lkml.org/lkml/2011/2/10/21 https://lkml.org/lkml/2011/2/7/368 https://lkml.org/lkml/2011/2/7/404 https://lkml.org/lkml/2011/2/7/414 https://lkml.org/lkml/2011/2/7/466 https://lkml.org/lkml/2011/2/7/474 https://lkml.org/lkml/2011/2/9/417