Vulnerability Name:

CCN-143577

Published:2018-05-08
Updated:2018-05-08
Summary:OpenBSD is vulnerable to a denial of service, caused by incorrect handling of fragmented IPsec packets. By sending specially-crafted IPsec packets, 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: XF
Type: UNKNOWN
openbsd-ipsec-dos(143577)

Source: CCN
Type: OpenBSD Web site
Incorrect handling of fragmented IPsec packets could result in a system crash

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:openbsd:openbsd:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    openbsd openbsd *