Vulnerability Name:

CVE-2018-6924 (CCN-149791)

Assigned:2018-09-12
Published:2018-09-12
Updated:2018-11-26
Summary:In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p3, 11.1-RELEASE-p14, 10.4-STABLE, and 10.4-RELEASE-p12, insufficient validation in the ELF header parser could allow a malicious ELF binary to cause a kernel crash or disclose kernel memory.
CVSS v3 Severity:7.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)
6.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): High
7.7 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
6.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C)
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): High
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Complete
6.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-6924

Source: CCN
Type: SECTRACK ID: 1041646
FreeBSD Kernel ELF Header Parsing Error Lets Local Users Obtain Memory Contents and Cause the Target System to Crash

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041646

Source: XF
Type: UNKNOWN
freebsd-cve20186924-dos(149791)

Source: CCN
Type: FreeBSD Security Advisory FreeBSD-SA-18:12.elf
Improper ELF header parsing

Source: FREEBSD
Type: Patch, Vendor Advisory
FreeBSD-SA-18:12

Vulnerable Configuration:Configuration 1:
  • cpe:/o:freebsd:freebsd:10.4:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:11.2:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:freebsd:freebsd:*:*:*:*:*:*:*:* (Version >= 11.0 and < 11.1)

  • Configuration CCN 1:
  • cpe:/o:freebsd:freebsd:11.1:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:10.4:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:11.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    freebsd freebsd 10.4
    freebsd freebsd 11.2
    freebsd freebsd *
    freebsd freebsd 11.1
    freebsd freebsd 10.4
    freebsd freebsd 11.2