Vulnerability Name:

CVE-2015-8373 (CCN-109148)

Assigned:2015-12-22
Published:2015-12-22
Updated:2016-12-07
Summary:The kea-dhcp4 and kea-dhcp6 servers 0.9.2 and 1.0.0-beta in ISC Kea, when certain debugging settings are used, allow remote attackers to cause a denial of service (daemon crash) via a malformed packet.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
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:7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
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 Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-8373

Source: FEDORA
Type: UNKNOWN
FEDORA-2015-930b020175

Source: FEDORA
Type: UNKNOWN
FEDORA-2015-aa3a69bdc3

Source: XF
Type: UNKNOWN
isc-kea-cve20158373-dos(109148)

Source: CCN
Type: ISC Security Advisory AA-01318
ISC Kea: unexpected termination while handling a malformed packet

Source: CONFIRM
Type: Vendor Advisory
https://kb.isc.org/article/AA-01318

Source: CCN
Type: ISC Security Advisory AA-01319
CVE-2015-8461: A race condition when handling socket errors can lead to an assertion failure in resolver.c

Vulnerable Configuration:Configuration 1:
  • cpe:/a:isc:kea:0.9.2:*:*:*:*:*:*:*
  • OR cpe:/a:isc:kea:1.0.0:beta:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:isc:kea:0.9.2:*:*:*:*:*:*:*
  • OR cpe:/a:isc:kea:1.0.0:beta:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    isc kea 0.9.2
    isc kea 1.0.0 beta
    isc kea 0.9.2
    isc kea 1.0.0 beta