CVE-2006-0145

Severity

46%

Complexity

39%

Confidentiality

106%

The kernfs_xread function in kernfs in NetBSD 1.6 through 2.1, and OpenBSD 3.8, does not properly validate file offsets against negative 32-bit values that occur as a result of truncation, which allows local users to read arbitrary kernel memory and gain privileges via the lseek system call.

The kernfs_xread function in kernfs in NetBSD 1.6 through 2.1, and OpenBSD 3.8, does not properly validate file offsets against negative 32-bit values that occur as a result of truncation, which allows local users to read arbitrary kernel memory and gain privileges via the lseek system call.

CVSS 2.0 Base Score 4.6. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

NetBSD

First reported 19 years ago

2006-01-09 23:03:00

Last updated 6 years ago

2018-10-19 15:42:00

Affected Software

NetBSD 1.6

1.6

NetBSD 1.6 Beta

1.6

NetBSD 1.6.1

1.6.1

NetBSD 1.6.2

1.6.2

NetBSD 2.0

2.0

NetBSD 2.0.1

2.0.1

NetBSD 2.0.2

2.0.2

NetBSD 2.0.3

2.0.3

NetBSD 2.1

2.1

References

NetBSD-SA2006-001

18388

Vendor Advisory

18712

Vendor Advisory

405

22293

20060202 [SLAB] NetBSD / OpenBSD kernfs_xread patch evasion

16173

Patch

http://www.securitylab.net/research/2006/02/advisory_netbsd_openbsd_kernfs.html

Vendor Advisory

netbsd-kernfs-memory-disclosure(24035)

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