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CVE-2005-4352

Status Candidate

Overview

The securelevels implementation in NetBSD 2.1 and earlier, and Linux 2.6.15 and earlier, allows local users to bypass time setting restrictions and set the clock backwards by setting the clock ahead to the maximum unixtime value (19 Jan 2038), which then wraps around to the minimum value (13 Dec 1901), which can then be set ahead to the desired time, aka "settimeofday() time wrap."

Related Files

rt-sa-2005-16.txt
Posted Jan 10, 2006
Site redteam-pentesting.de

The implementations of securelevels on NetBSD and Linux contain an integer overflow, allowing the protection of system time to be completely circumvented.

tags | advisory, overflow
systems | linux, netbsd
advisories | CVE-2005-4352
SHA-256 | 5d86a7cf0432dc4890c84c7e30065c97959f3e07f3b3ce13d5a6856179985dcf
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