CVE-2001-1180

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Summary

CVECVE-2001-1180
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2001-07-10 04:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionFreeBSD 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.

Risk And Classification

Primary CVSS: v2.0 7.2 from [email protected]

AV:L/AC:L/Au:N/C:C/I:C/A:C

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 4.0 All All All
Operating System Freebsd Freebsd 4.1 All All All
Operating System Freebsd Freebsd 4.2 All All All
Operating System Freebsd Freebsd 4.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
ciac.llnl.gov/ciac/bulletins/l-111.shtml af854a3a-2127-422b-91ae-364da2661108 ciac.llnl.gov
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
VU#943633 - FreeBSD can be compromised locally via signal handlers af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Patch, Third Party Advisory, US Government Resource
FreeBSD exec() Inherited Signal Handler Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Exploit, Patch, Vendor Advisory
archives.neohapsis.com/archives/bugtraq/2001-07/0179.html af854a3a-2127-422b-91ae-364da2661108 archives.neohapsis.com Exploit, Patch, Vendor Advisory
404 Not Found af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:42.signal.v1.1.asc af854a3a-2127-422b-91ae-364da2661108 ftp.freebsd.org
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