CVE-1999-1021

Published: Dec 30, 1992Modified: Apr 16, 2026

7.2

Vector

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

Exploitability: 3.9 / Impact: 10.0

Source: NVD

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.

Affected (3)

Products: Sun: Sunos

Sun

1 product

Sunos

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Sun Sunos	Version 4.1.1
Sun Sunos	Version 4.1.2
Sun Sunos	Version 4.1

References (8)

http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/117&type=0&nav=sec.sba

Source: cve@mitre.org

Patch

http://www.cert.org/advisories/CA-1992-15.html

Source: cve@mitre.org

PatchThird Party AdvisoryUS Government Resource

http://www.securityfocus.com/bid/47

Source: cve@mitre.org

PatchVendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/82

Source: cve@mitre.org

http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/117&type=0&nav=sec.sba

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

http://www.cert.org/advisories/CA-1992-15.html

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party AdvisoryUS Government Resource

http://www.securityfocus.com/bid/47

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/82

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.