Vulnerability Name:

CVE-2009-1041 (CCN-49362)

Assigned:2009-03-23
Published:2009-03-23
Updated:2017-09-29
Summary:The ktimer feature (sys/kern/kern_time.c) in FreeBSD 7.0, 7.1, and 7.2 allows local users to overwrite arbitrary kernel memory via an out-of-bounds timer value.
CVSS v3 Severity:5.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/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): None
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.3 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC: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
3.6 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P)
2.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/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): None
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2009-1041

Source: CCN
Type: FreeBSD-SA-09:06.ktimer
Local privilege escalation

Source: FREEBSD
Type: Exploit
FreeBSD-SA-09:06

Source: CCN
Type: SECTRACK ID: 1021882
FreeBSD ktimer Input Validation Flaw Lets Local Users Gain Elevated Privileges

Source: CCN
Type: OSVDB ID: 53114
FreeBSD ktimer (sys/kern/kern_time.c) Arbitrary Kernel Memory Overwrite Local Privilege Escalation

Source: BID
Type: UNKNOWN
34196

Source: CCN
Type: BID-34196
FreeBSD 'ktimer' Local Privilege Escalation Vulnerability

Source: SECTRACK
Type: UNKNOWN
1021882

Source: XF
Type: UNKNOWN
freebsd-ktimer-memory-overwrite(49362)

Source: XF
Type: UNKNOWN
freebsd-ktimer-memory-overwrite(49362)

Source: EXPLOIT-DB
Type: UNKNOWN
8261

Vulnerable Configuration:Configuration 1:
  • cpe:/o:freebsd:freebsd:7.0:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.0:pre-release:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.0:release:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.0:release-p8:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.0:release-p9:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.0:releng:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.0:stable:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.1:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.1:pre-release:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.1:release-p1:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.1:release-p2:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.1:stable:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.2:-:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:freebsd:freebsd:7.0:-:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:7.1:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    freebsd freebsd 7.0
    freebsd freebsd 7.0 pre-release
    freebsd freebsd 7.0 release
    freebsd freebsd 7.0 release-p8
    freebsd freebsd 7.0 release-p9
    freebsd freebsd 7.0 releng
    freebsd freebsd 7.0 stable
    freebsd freebsd 7.1
    freebsd freebsd 7.1 pre-release
    freebsd freebsd 7.1 release-p1
    freebsd freebsd 7.1 release-p2
    freebsd freebsd 7.1 stable
    freebsd freebsd 7.2
    freebsd freebsd 7.0 -
    freebsd freebsd 7.1 -