| Vulnerability Name: | CVE-2010-2020 (CCN-59051) | ||||||||
| Assigned: | 2010-05-27 | ||||||||
| Published: | 2010-05-27 | ||||||||
| Updated: | 2012-11-06 | ||||||||
| Summary: | sys/nfsclient/nfs_vfsops.c in the NFS client in the kernel in FreeBSD 7.2 through 8.1-PRERELEASE, when vfs.usermount is enabled, does not validate the length of a certain fhsize parameter, which allows local users to gain privileges via a crafted mount request. | ||||||||
| CVSS v3 Severity: | 5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
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| CVSS v2 Severity: | 6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C) 5.4 Medium (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C)
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| Vulnerability Type: | CWE-20 | ||||||||
| Vulnerability Consequences: | Gain Privileges | ||||||||
| References: | Source: MITRE Type: CNA CVE-2010-2020 Source: CCN Type: FreeBSD-SA-10:06.nfsclient Unvalidated input in nfsclient Source: FREEBSD Type: Vendor Advisory FreeBSD-SA-10:06 Source: CCN Type: SECTRACK ID: 1024039 FreeBSD Parameter Validation Flaw in nfsclient Lets Local Users Gain Elevated Privileges Source: SECTRACK Type: UNKNOWN 1024039 Source: EXPLOIT-DB Type: UNKNOWN 14002 Source: EXPLOIT-DB Type: UNKNOWN 14003 Source: CCN Type: OSVDB ID: 65036 FreeBSD nfsclient nfs_vfsops.c nfs_mount() Function File Handle Buffer Mounting Local Overflow Source: XF Type: UNKNOWN freebsd-nfsclient-priv-escalation(59051) Source: EXPLOIT-DB Type: EXPLOIT Offensive Security Exploit Database [06-23-2010] | ||||||||
| Vulnerable Configuration: | Configuration 1: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||
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