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[email protected]NVD:CVE-2019-1809

HistoryMay 15, 2019 - 11:29 p.m.

CVE-2019-1809

2019-05-1523:29:01

CWE-347

[email protected]

web.nvd.nist.gov

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.3

Confidence

High

EPSS

Percentile

5.1%

JSON

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.

Affected configurations

Nvd

Node

cisconx-osRange7.3–8.1\(1a\)

cisconx-osRange8.2–8.3\(1\)

AND

ciscomds_9706Match-

ciscomds_9710Match-

ciscomds_9718Match-

Node

cisconx-osRange7.2–7.3\(3\)d1\(1\)

cisconx-osRange8.0–8.2\(3\)

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

cisconx-osRange3.1–3.2\(3k\)

AND

ciscoucs_6248upMatch-

ciscoucs_6296upMatch-

ciscoucs_6324Match-

ciscoucs_6332Match-

ciscoucs_6332-16upMatch-

VendorProductVersionCPE
cisconx-os*cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
ciscomds_9706-cpe:2.3:h:cisco:mds_9706:-:*:*:*:*:*:*:*
ciscomds_9710-cpe:2.3:h:cisco:mds_9710:-:*:*:*:*:*:*:*
ciscomds_9718-cpe:2.3:h:cisco:mds_9718:-:*:*:*:*:*:*:*
cisco7000_10-slot-cpe:2.3:h:cisco:7000_10-slot:-:*:*:*:*:*:*:*
cisco7000_18-slot-cpe:2.3:h:cisco:7000_18-slot:-:*:*:*:*:*:*:*
cisco7000_4-slot-cpe:2.3:h:cisco:7000_4-slot:-:*:*:*:*:*:*:*
cisco7000_9-slot-cpe:2.3:h:cisco:7000_9-slot:-:*:*:*:*:*:*:*
cisco7700_10-slot-cpe:2.3:h:cisco:7700_10-slot:-:*:*:*:*:*:*:*
cisco7700_18-slot-cpe:2.3:h:cisco:7700_18-slot:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	nx-os	*	cpe:2.3:o:cisco:nx-os::::::::
cisco	mds_9706	-	cpe:2.3:h:cisco:mds_9706:-:::::::*
cisco	mds_9710	-	cpe:2.3:h:cisco:mds_9710:-:::::::*
cisco	mds_9718	-	cpe:2.3:h:cisco:mds_9718:-:::::::*
cisco	7000_10-slot	-	cpe:2.3:h:cisco:7000_10-slot:-:::::::*
cisco	7000_18-slot	-	cpe:2.3:h:cisco:7000_18-slot:-:::::::*
cisco	7000_4-slot	-	cpe:2.3:h:cisco:7000_4-slot:-:::::::*
cisco	7000_9-slot	-	cpe:2.3:h:cisco:7000_9-slot:-:::::::*
cisco	7700_10-slot	-	cpe:2.3:h:cisco:7700_10-slot:-:::::::*
cisco	7700_18-slot	-	cpe:2.3:h:cisco:7700_18-slot:-:::::::*

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References

www.securityfocus.com/bid/108375

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

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.3

Confidence

High

EPSS

Percentile

5.1%

JSON

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