| Vulnerability Name: | CVE-2013-4851 (CCN-86003) | ||||||||
| Assigned: | 2013-07-26 | ||||||||
| Published: | 2013-07-26 | ||||||||
| Updated: | 2019-03-18 | ||||||||
| Summary: | The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests. | ||||||||
| CVSS v3 Severity: | 5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
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| CVSS v2 Severity: | 6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N) 4.7 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N/E:U/RL:OF/RC:C)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
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| Vulnerability Type: | CWE-264 | ||||||||
| Vulnerability Consequences: | Bypass Security | ||||||||
| References: | Source: MITRE Type: CNA CVE-2013-4851 Source: CCN Type: SA54280 FreeBSD NFS Server Credential Validation Security Issue Source: CONFIRM Type: UNKNOWN http://svnweb.freebsd.org/base?view=revision&revision=244226 Source: DEBIAN Type: DSA-2743 kfreebsd-9 -- privilege escalation/information leak Source: CCN Type: FreeBSD-SA-13:08.nfsserver Incorrect privilege validation in the NFS server Source: FREEBSD Type: UNKNOWN FreeBSD-SA-13:08 Source: BID Type: UNKNOWN 61484 Source: CCN Type: BID-61484 FreeBSD 'nfsserver' Module CVE-2013-4851 Access Bypass Vulnerability Source: XF Type: UNKNOWN freebsd-cve20134851-sec-bypass(86003) | ||||||||
| Vulnerable Configuration: | Configuration 1: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||
| Oval Definitions | |||||||||
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