Vulnerability Name:

CVE-2010-0318 (CCN-55456)

Assigned:2010-01-06
Published:2010-01-06
Updated:2011-08-08
Summary:The replay functionality for ZFS Intent Log (ZIL) in FreeBSD 7.1, 7.2, and 8.0, when creating files during replay of a setattr transaction, uses 7777 permissions instead of the original permissions, which might allow local users to read or modify unauthorized files in opportunistic circumstances after a system crash or power failure.
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)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
5.1 Medium (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-264
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2010-0318

Source: CCN
Type: SA38124
FreeBSD ZFS Intent Log "setattr" Transaction Replay Weakness

Source: SECUNIA
Type: Vendor Advisory
38124

Source: CCN
Type: FreeBSD-SA-10:03.zfs
ZFS ZIL playback with insecure permissions

Source: FREEBSD
Type: Patch, Vendor Advisory
FreeBSD-SA-10:03

Source: CCN
Type: SECTRACK ID: 1023407
FreeBSD ZFS Intent Log Mechanism May Let Local Users Gain Elevated Privileges

Source: CCN
Type: OSVDB ID: 61585
FreeBSD ZFS Intent Log setattr Transaction Local Privilege Escalation

Source: BID
Type: UNKNOWN
37657

Source: CCN
Type: BID-37657
FreeBSD ZFS ZIL Insecure File Permissions Vulnerability

Source: SECTRACK
Type: UNKNOWN
1023407

Source: XF
Type: UNKNOWN
zfs-setattr-privilege-escalation(55456)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:freebsd:freebsd:7.1:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.2:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:8.0:-:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:freebsd:freebsd:7.1:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:8.0:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.2:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    freebsd freebsd 7.1
    freebsd freebsd 7.2
    freebsd freebsd 8.0
    freebsd freebsd 7.1 -
    freebsd freebsd 8.0 -
    freebsd freebsd 7.2 -