CVE-2001-1180

Severity

72%

Complexity

39%

Confidentiality

165%

FreeBSD 4.3 does not properly clear shared signal handlers when executing a process, which allows local users to gain privileges by calling rfork with a shared signal handler, having the child process execute a setuid program, and sending a signal to the child.

FreeBSD 4.3 does not properly clear shared signal handlers when executing a process, which allows local users to gain privileges by calling rfork with a shared signal handler, having the child process execute a setuid program, and sending a signal to the child.

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

Type

FreeBSD

First reported 23 years ago

2001-07-10 04:00:00

Last updated 7 years ago

2017-10-10 01:30:00

Affected Software

FreeBSD 4.0

4.0

FreeBSD 4.1

4.1

FreeBSD 4.2

4.2

FreeBSD 4.3

4.3

References

FreeBSD-SA-01:42

20010710 FreeBSD 4.3 local root, yet Linux and *BSD much better than Windows

Exploit, Patch, Vendor Advisory

L-111

VU#943633

Patch, Third Party Advisory, US Government Resource

1897

3007

Exploit, Patch, Vendor Advisory

bsd-rfork-signal-handlers(6829)

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