VulnerabilityModified
CVE-1999-1021
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.
HIGH 7.2EPSS 0.41%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.41% probability · 35th percentile
- CISA KEV
- Not listed
- Affected
- sun/sunos
- Source
- cve@mitre.org
References
- http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/117&type=0&nav=sec.sbaPatch
- http://www.cert.org/advisories/CA-1992-15.htmlPatch, Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/47Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82
- http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/117&type=0&nav=sec.sbaPatch
- http://www.cert.org/advisories/CA-1992-15.htmlPatch, Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/47Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/82
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.