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[email protected]CVE-2019-1858

HistoryMay 16, 2019 - 2:29 a.m.

CVE-2019-1858

2019-05-1602:29:00

CWE-755

CWE-20

[email protected]

web.nvd.nist.gov

vulnerability

snmp

cisco

fxos software

nx-os software

remote attacker

system memory leak

restart

denial of service

nvd

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

8.3 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

52.8%

JSON

A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the SNMP application to leak system memory, which could cause an affected device to restart unexpectedly. The vulnerability is due to improper error handling when processing inbound SNMP packets. An attacker could exploit this vulnerability by sending multiple crafted SNMP packets to an affected device. A successful exploit could allow the attacker to cause the SNMP application to leak system memory because of an improperly handled error condition during packet processing. Over time, this memory leak could cause the SNMP application to restart multiple times, leading to a system-level restart and a denial of service (DoS) condition.

Affected configurations

NVD

Node

cisconx-osRange<8.1\(1\)

AND

ciscomds_9132tMatch-

ciscomds_9148sMatch-

ciscomds_9148tMatch-

ciscomds_9216Match-

ciscomds_9216aMatch-

ciscomds_9216iMatch-

ciscomds_9222iMatch-

ciscomds_9250iMatch-

ciscomds_9396sMatch-

ciscomds_9396tMatch-

ciscomds_9506Match-

ciscomds_9509Match-

ciscomds_9513Match-

ciscomds_9706Match-

ciscomds_9710Match-

ciscomds_9718Match-

Node

cisconx-osRange<7.0\(3\)i4\(8\)

cisconx-osRange7.0\(3\)i7–7.0\(3\)i7\(2\)

AND

cisco9432pqMatch-

cisco9536pqMatch-

cisco9636pqMatch-

cisco9736pqMatch-

ciscon9k-x9432c-sMatch-

ciscon9k-x9464pxMatch-

ciscon9k-x9464tx2Match-

ciscon9k-x9564pxMatch-

ciscon9k-x9564txMatch-

ciscon9k-x9636c-rMatch-

ciscon9k-x9636c-rxMatch-

ciscon9k-x97160yc-exMatch-

ciscon9k-x9732c-exMatch-

ciscon9k-x9732c-fxMatch-

ciscon9k-x9736c-exMatch-

ciscon9k-x9736c-fxMatch-

ciscon9k-x9788tc-fxMatch-

cisconexus_3048Match-

cisconexus_31108pc-vMatch-

cisconexus_31108tc-vMatch-

cisconexus_31128pqMatch-

cisconexus_3132c-zMatch-

cisconexus_3132q-vMatch-

cisconexus_3132q-x\/3132q-xlMatch-

cisconexus_3164qMatch-

cisconexus_3172pq\/pq-xlMatch-

cisconexus_3172tq-xlMatch-

cisconexus_3232cMatch-

cisconexus_3264c-eMatch-

cisconexus_3264qMatch-

cisconexus_3408-sMatch-

cisconexus_34180ycMatch-

cisconexus_3432d-sMatch-

cisconexus_3464cMatch-

cisconexus_3524-x\/xlMatch-

cisconexus_3548-x\/xlMatch-

cisconexus_36180yc-rMatch-

cisconexus_3636c-rMatch-

cisconexus_92160yc-xMatch-

cisconexus_92300ycMatch-

cisconexus_93108tc-exMatch-

cisconexus_93108tc-fxMatch-

cisconexus_93120txMatch-

cisconexus_9316d-gxMatch-

cisconexus_93180lc-exMatch-

cisconexus_93180yc-exMatch-

cisconexus_93180yc-fxMatch-

cisconexus_93216tc-fx2Match-

cisconexus_93240yc-fx2Match-

cisconexus_9332cMatch-

cisconexus_93360yc-fx2Match-

cisconexus_9336c-fx2Match-

cisconexus_9348gc-fxpMatch-

cisconexus_93600cd-gxMatch-

cisconexus_9364cMatch-

cisconexus_9500_supervisor_aMatch-

cisconexus_9500_supervisor_a\+Match-

cisconexus_9500_supervisor_bMatch-

cisconexus_9500_supervisor_b\+Match-

cisconexus_9504Match-

cisconexus_9508Match-

cisconexus_9516Match-

ciscox9636q-rMatch-

Node

cisconx-osRange7.0\(3\)–7.0\(3\)f3\(1\)

AND

ciscon9k-c9504-fm-rMatch-

ciscon9k-c9508-fm-rMatch-

ciscon9k-x96136yc-rMatch-

ciscon9k-x9636c-rMatch-

ciscon9k-x9636c-rxMatch-

ciscon9k-x9636q-rMatch-

cisconexus_36180yc-rMatch-

cisconexus_3636c-rMatch-

ciscox96136yc-rMatch-

ciscox9636c-rMatch-

ciscox9636c-rxMatch-

ciscox9636q-rMatch-

Node

cisconx-osRange<7.1\(5\)n1\(1b\)

cisconx-osRange7.3–7.3\(4\)n1\(1a\)

AND

cisconexus_5010Match-

cisconexus_5020Match-

cisconexus_5548pMatch-

cisconexus_5548upMatch-

cisconexus_5596tMatch-

cisconexus_5596upMatch-

cisconexus_56128pMatch-

cisconexus_5624qMatch-

cisconexus_5648qMatch-

cisconexus_5672upMatch-

cisconexus_5672up-16gMatch-

cisconexus_5696qMatch-

cisconexus_6001Match-

cisconexus_6004Match-

Node

cisconx-osRange<6.2\(22\)

cisconx-osRange7.2–7.2\(0\)d1\(1\)

cisconx-osRange8.0–8.1\(1\)

AND

cisco7000_10-slotMatch-

cisco7000_18-slotMatch-

cisco7000_4-slotMatch-

cisco7000_9-slotMatch-

cisco7700_10-slotMatch-

cisco7700_18-slotMatch-

cisco7700_2-slotMatch-

cisco7700_6-slotMatch-

ciscon77-f312ck-26Match-

ciscon77-f324fq-25Match-

ciscon77-f348xp-23Match-

ciscon77-f430cq-36Match-

ciscon77-m312cq-26lMatch-

ciscon77-m324fq-25lMatch-

ciscon77-m348xp-23lMatch-

ciscon7k-f248xp-25eMatch-

ciscon7k-f306ck-25Match-

ciscon7k-f312fq-25Match-

ciscon7k-m202cf-22lMatch-

ciscon7k-m206fq-23lMatch-

ciscon7k-m224xp-23lMatch-

ciscon7k-m324fq-25lMatch-

ciscon7k-m348xp-25lMatch-

cisconexus_7000_supervisor_1Match-

cisconexus_7000_supervisor_2Match-

cisconexus_7000_supervisor_2eMatch-

cisconexus_7700_supervisor_2eMatch-

cisconexus_7700_supervisor_3eMatch-

Node

ciscofirepower_extensible_operating_systemRange2.6–2.6.1.131

ciscofx-osRange<2.2.2.91

ciscofx-osRange2.3–2.3.1.130

ciscofx-osRange2.4–2.4.1.222

AND

ciscofirepower_4110Match-

ciscofirepower_4120Match-

ciscofirepower_4140Match-

ciscofirepower_4150Match-

ciscofirepower_9300_with_1_sm-24_moduleMatch-

ciscofirepower_9300_with_1_sm-36_moduleMatch-

ciscofirepower_9300_with_1_sm-44_moduleMatch-

ciscofirepower_9300_with_3_sm-44_moduleMatch-

Node

cisconx-osRange<14.0\(2c\)

cisconx-osRange14.1–14.1\(1i\)

AND

cisco9432pqMatch-

cisco9536pqMatch-

cisco9636pqMatch-

cisco9736pqMatch-

ciscon9k-x9432c-sMatch-

ciscon9k-x9464pxMatch-

ciscon9k-x9464tx2Match-

ciscon9k-x9564pxMatch-

ciscon9k-x9564txMatch-

ciscon9k-x9636c-rMatch-

ciscon9k-x9636c-rxMatch-

ciscon9k-x97160yc-exMatch-

ciscon9k-x9732c-exMatch-

ciscon9k-x9732c-fxMatch-

ciscon9k-x9736c-exMatch-

ciscon9k-x9736c-fxMatch-

ciscon9k-x9788tc-fxMatch-

cisconexus_92160yc-xMatch-

cisconexus_92300ycMatch-

cisconexus_93108tc-exMatch-

cisconexus_93108tc-fxMatch-

cisconexus_93120txMatch-

cisconexus_9316d-gxMatch-

cisconexus_93180lc-exMatch-

cisconexus_93180yc-exMatch-

cisconexus_93180yc-fxMatch-

cisconexus_93216tc-fx2Match-

cisconexus_93240yc-fx2Match-

cisconexus_9332cMatch-

cisconexus_93360yc-fx2Match-

cisconexus_9336c-fx2Match-

cisconexus_9348gc-fxpMatch-

cisconexus_93600cd-gxMatch-

cisconexus_9364cMatch-

cisconexus_9500_supervisor_aMatch-

cisconexus_9500_supervisor_a\+Match-

cisconexus_9500_supervisor_bMatch-

cisconexus_9500_supervisor_b\+Match-

cisconexus_9504Match-

cisconexus_9508Match-

cisconexus_9516Match-

ciscox9636q-rMatch-

Node

cisconx-osRange<6.0\(2\)a8\(4\)

cisconx-osRange7.0\(3\)i7–7.0\(3\)i7\(2\)

AND

cisconexus_3524-x\/xlMatch-

cisconexus_3548-x\/xlMatch-

Node

cisconx-osRange<5.2\(1\)sv3\(4.1a\)

AND

cisconexus_1000vMatch-hyper-v

cisconexus_1000vMatch-vmware_vsphere

CPENameOperatorVersion
cisco:nx-oscisco nx-oslt8.1\(1\)

CPE	Name	Operator	Version
cisco:nx-os	cisco nx-os	lt	8.1\(1\)

CNA Affected

[
  {
    "product": "Cisco Firepower Extensible Operating System (FXOS) ",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "n/a",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.securityfocus.com/bid/108358

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-snmp-dos

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

8.3 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

52.8%

JSON

Related for CVE-2019-1858

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