CVE-2001-1180
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
6.7 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.3%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| freebsd:freebsd | freebsd | eq | 4.0 |
| freebsd:freebsd | freebsd | eq | 4.1 |
| freebsd:freebsd | freebsd | eq | 4.2 |
| freebsd:freebsd | freebsd | eq | 4.3 |
References
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:42.signal.v1.1.asc
archives.neohapsis.com/archives/bugtraq/2001-07/0179.html
ciac.llnl.gov/ciac/bulletins/l-111.shtml
www.kb.cert.org/vuls/id/943633
www.osvdb.org/1897
www.securityfocus.com/bid/3007
exchange.xforce.ibmcloud.com/vulnerabilities/6829
Related
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
6.7 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.3%