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[email protected]CVE-2019-15256

HistoryOct 02, 2019 - 7:15 p.m.

CVE-2019-15256

2019-10-0219:15:15

CWE-400

CWE-399

[email protected]

web.nvd.nist.gov

cisco asa

ftd software

vulnerability

dos

ikev1

remote attack

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

8.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.8%

JSON

A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper management of system memory. An attacker could exploit this vulnerability by sending malicious IKEv1 traffic to an affected device. The attacker does not need valid credentials to authenticate the VPN session, nor does the attacker’s source address need to match a peer statement in the crypto map applied to the ingress interface of the affected device. An exploit could allow the attacker to exhaust system memory resources, leading to a reload of an affected device.

Affected configurations

NVD

Node

ciscoadaptive_security_appliance_softwareRange9.7–9.8.4.10

ciscoadaptive_security_appliance_softwareRange9.9–9.9.2.47

ciscoadaptive_security_appliance_softwareRange9.10–9.10.1.30

ciscoadaptive_security_appliance_softwareRange9.12–9.12.2.5

Node

ciscofirepower_threat_defenseRange6.2.0–6.2.3.11

ciscofirepower_threat_defenseRange6.3.0–6.3.0.2

Node

ciscoasa_5505Match-

AND

ciscoasa_5505_firmwareMatch9.9\(2.4\)

ciscoasa_5505_firmwareMatch201.4\(1.21\)

Node

ciscoasa_5510Match-

AND

ciscoasa_5510_firmwareMatch9.9\(2.4\)

ciscoasa_5510_firmwareMatch201.4\(1.21\)

Node

ciscoasa_5512-xMatch-

AND

ciscoasa_5512-x_firmwareMatch9.9\(2.4\)

ciscoasa_5512-x_firmwareMatch201.4\(1.21\)

Node

ciscoasa_5515-xMatch-

AND

ciscoasa_5515-x_firmwareMatch9.9\(2.4\)

ciscoasa_5515-x_firmwareMatch201.4\(1.21\)

Node

ciscoasa_5520Match-

AND

ciscoasa_5520_firmwareMatch9.9\(2.4\)

ciscoasa_5520_firmwareMatch201.4\(1.21\)

Node

ciscoasa_5525-x_firmwareMatch9.9\(2.4\)

ciscoasa_5525-x_firmwareMatch201.4\(1.21\)

AND

ciscoasa_5525-xMatch-

Node

ciscoasa_5540_firmwareMatch9.9\(2.4\)

ciscoasa_5540_firmwareMatch201.4\(1.21\)

AND

ciscoasa_5540Match-

Node

ciscoasa_5545-x_firmwareMatch9.9\(2.4\)

ciscoasa_5545-x_firmwareMatch201.4\(1.21\)

AND

ciscoasa_5545-xMatch-

Node

ciscoasa_5550_firmwareMatch9.9\(2.4\)

ciscoasa_5550_firmwareMatch201.4\(1.21\)

AND

ciscoasa_5550Match-

Node

ciscoasa_5555-x_firmwareMatch9.9\(2.4\)

ciscoasa_5555-x_firmwareMatch201.4\(1.21\)

AND

ciscoasa_5555-xMatch-

Node

ciscoasa_5580_firmwareMatch9.9\(2.4\)

ciscoasa_5580_firmwareMatch201.4\(1.21\)

AND

ciscoasa_5580Match-

CPENameOperatorVersion
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.8.4.10
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.9.2.47
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.10.1.30
cisco:adaptive_security_appliance_softwarecisco adaptive security appliance softwarelt9.12.2.5

CPE	Name	Operator	Version
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.8.4.10
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.9.2.47
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.10.1.30
cisco:adaptive_security_appliance_software	cisco adaptive security appliance software	lt	9.12.2.5

CNA Affected

[
  {
    "product": "Cisco Adaptive Security Appliance (ASA) Software ",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "n/a",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-asa-ftd-ikev1-dos

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

8.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.8%

JSON

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