Vulnerability Name:

CVE-1999-0420 (CCN-1968)

Assigned:1999-03-17
Published:1999-03-17
Updated:2022-08-17
Summary:umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
CVSS v3 Severity:9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Access
References:Source: CCN
Type: NetBSD Security Advisory 1999-006
Security hole in umapfs

Source: MITRE
Type: CNA
CVE-1999-0420

Source: CCN
Type: OSVDB ID: 7290
umapfs mount_umap Privilege Escalation

Source: XF
Type: UNKNOWN
netbsd-umapfs(1968)

Source: MISC
Type: UNKNOWN
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0420

Vulnerable Configuration:Configuration 1:
  • cpe:/a:netbsd:umapfs:*:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netbsd:netbsd:1.3.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netbsd umapfs *
    netbsd netbsd 1.3.3