Vulnerability Name:

CCN-142972

Published:2018-05-07
Updated:2018-05-07
Summary:NetBSD is vulnerable to a denial of service, caused by improper IPsec output path validation when both IPsec and IPv6 forwarding were enabled. By sending specially-crafted data, a remote attacker could exploit this vulnerability to cause the system to crash.
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: NetBSD Security Advisory 2018-007
Several vulnerabilities in IPsec

Source: CCN
Type: SECTRACK ID: 1040839
NetBSD Multiple Bugs in IPsec Lets Remote Users Cause the Target System to Crash

Source: XF
Type: UNKNOWN
netbsd-ipsec04-dos(142972)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:netbsd:netbsd:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:6.1:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:6.0.6:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:6.1.5:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:7.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:7.1:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:7.1.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netbsd netbsd 6.0
    netbsd netbsd 6.1
    netbsd netbsd 7.0
    netbsd netbsd 6.0.6
    netbsd netbsd 6.1.5
    netbsd netbsd 7.0.2
    netbsd netbsd 7.1
    netbsd netbsd 7.1.2