| Vulnerability Name: | CVE-1999-1021 (CCN-82) | ||||||||
| Assigned: | 1992-07-21 | ||||||||
| Published: | 1992-07-21 | ||||||||
| Updated: | 2017-10-10 | ||||||||
| Summary: | 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 v3 Severity: | 10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
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| CVSS v2 Severity: | 7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
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| Vulnerability Type: | CWE-Other | ||||||||
| Vulnerability Consequences: | Gain Access | ||||||||
| References: | Source: MITRE Type: CNA CVE-1999-0169 Source: MITRE Type: CNA CVE-1999-1021 Source: CCN Type: Sun Microsystems, Inc. Security Bulletin #00117 100173-08, SunOS 4.1.1,4.1.2: NFS Jumbo, uid truncation problem Source: SUN Type: Patch 00117 Source: CCN Type: CERT Advisory CA-1991-21 SunOS NFS Jumbo and fsirand Patches Source: CCN Type: CERT Advisory CA-1992-15 Multiple SunOS Vulnerabilities Patched Source: CERT Type: Patch, Third Party Advisory, US Government Resource CA-1992-15 Source: CCN Type: CERT Advisory CA-1993-15 /usr/lib/sendmail, /bin/tar, and /dev/audio Vulnerabilities Source: CCN Type: CERT Advisory CA-1994-02 Revised Patch for SunOS /usr/etc/rpc.mountd Vulnerability Source: CCN Type: CERT Advisory CA-1994-15 NFS Vulnerabilities Source: CCN Type: OSVDB ID: 893 Multiple Unix Vendor NFS UID Mismatch Remote Privilege Escalation Source: BID Type: Patch, Vendor Advisory 47 Source: CCN Type: BID-47 SunOS NFS large uid mismatch Vulnerability Source: XF Type: UNKNOWN nfs-uid(82) Source: XF Type: UNKNOWN nfs-uid(82) | ||||||||
| Vulnerable Configuration: | Configuration 1: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||
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