CVE-1999-1214

Current Description

The asynchronous I/O facility in 4.4 BSD kernel does not check user credentials when setting the recipient of I/O notification, which allows local users to cause a denial of service by using certain ioctl and fcntl calls to cause the signal to be sent to an arbitrary process ID.

Basic Data

PublishedSeptember 15, 1997
Last ModifiedOctober 10, 2017
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-255
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score2.1
SeverityLOW
Exploitability Score3.9
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSSgiIrix********
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSBsdBsd********
    2.3OSBsdBsd4.4*******
    2.3OSFreebsdFreebsd6.2stable******
    2.3OSNetbsdNetbsd2.0.4*******
    2.3OSOpenbsdOpenbsd2.1*******

Vulnerable Software List

VendorProductVersions
Freebsd Freebsd 6.2
Openbsd Openbsd 2.1
Netbsd Netbsd 2.0.4
Sgi Irix *
Bsd Bsd *, 4.4

References

NameSourceURLTags
http://www.openbsd.com/advisories/signals.txthttp://www.openbsd.com/advisories/signals.txtMISC
11062http://www.osvdb.org/11062OSVDB
openbsd-iosig(556)https://exchange.xforce.ibmcloud.com/vulnerabilities/556XF