CVE-2009-1935

Severity

49%

Complexity

39%

Confidentiality

115%

Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.

Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:N/A:N).

Overview

Type

FreeBSD

First reported 15 years ago

2009-06-18 18:30:00

Last updated 7 years ago

2017-08-17 01:30:00

Affected Software

FreeBSD 6.3

6.3

FreeBSD 6.4

6.4

FreeBSD 7.1

7.1

FreeBSD 7.1 Release Candidate 1

7.1

FreeBSD 7.2

7.2

References

55044

35398

Vendor Advisory

FreeBSD-SA-09:09

Patch, Vendor Advisory

http://security.freebsd.org/patches/SA-09:09/pipe.patch

Exploit, Vendor Advisory

35279

1022365

freebsd-directpipe-info-disclosure(51109)

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.