CVE-1999-1021

Current Description

NFS on SunOS 4.1 through 4.1.2 ignores the high order 16 bits in a 32 bit UID, which allows a local user to gain root access if the lower 16 bits are set to 0, as fixed by the NFS jumbo patch upgrade.

Basic Data

PublishedDecember 30, 1992
Last ModifiedOctober 10, 2017
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeNVD-CWE-Other
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactCOMPLETE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score7.2
SeverityHIGH
Exploitability Score3.9
Impact Score10.0
Obtain All Privilegetrue
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
    2.3OSSunSunos4.1*******
    2.3OSSunSunos4.1.1*******
    2.3OSSunSunos4.1.2*******

Vulnerable Software List

VendorProductVersions
Sun Sunos 4.1, 4.1.1, 4.1.2

References

NameSourceURLTags
00117http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/117&type=0&nav=sec.sbaSUNPatch
CA-1992-15http://www.cert.org/advisories/CA-1992-15.htmlCERTPatch Third Party Advisory US Government Resource
47http://www.securityfocus.com/bid/47BIDPatch Vendor Advisory
nfs-uid(82)https://exchange.xforce.ibmcloud.com/vulnerabilities/82XF