Details of VAR-201810-0598

ID

VAR-201810-0598

CVE

CVE-2018-15428

TITLE

Cisco IOS XR Software input validation vulnerability

Trust: 1.4

sources: JVNDB: JVNDB-2018-012125 // CNNVD: CNNVD-201810-215

DESCRIPTION

A vulnerability in the implementation of Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain BGP update messages. An attacker could exploit this vulnerability by sending BGP update messages that include a specific, malformed attribute to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer. Cisco IOS XR The software contains an input validation vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Cisco IOSXR Software is a fully modular, distributed network operating system from Cisco's IOS software family, including IOST, IOSS, and IOSXR. Cisco IOS XR Software is prone to a denial-of-service vulnerability. Attackers can exploit this issue to cause the denial-of-service conditions. This issue is being tracked by Cisco Bug ID CSCvj58445

Trust: 2.52

sources: NVD: CVE-2018-15428 // JVNDB: JVNDB-2018-012125 // CNVD: CNVD-2018-20461 // BID: 105944 // VULHUB: VHN-125686

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2018-20461

AFFECTED PRODUCTS

vendor:	cisco	model:	ios xr	scope:	eq	version:	6.1.2	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.2.1	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.1.4	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.4.1	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.2.2	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.2.3	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.0.1	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.0.2	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.1.3	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	eq	version:	6.1.1	Trust: 1.6
vendor:	cisco	model:	ios xr	scope:	-	version:	-	Trust: 0.8
vendor:	cisco	model:	ios xr software none	scope:	-	version:	-	Trust: 0.6
vendor:	cisco	model:	ios xr software	scope:	eq	version:	0	Trust: 0.3

sources: CNVD: CNVD-2018-20461 // BID: 105944 // JVNDB: JVNDB-2018-012125 // CNNVD: CNNVD-201810-215 // NVD: CVE-2018-15428

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-15428
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2018-15428
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2018-20461
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-201810-215
value:	MEDIUM
Trust: 0.6
VULHUB:	VHN-125686
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2018-15428
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2018-20461
severity:	MEDIUM
baseScore:	5.4
vectorString:	AV:N/AC:H/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	HIGH
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	4.9
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-125686
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2018-15428
baseSeverity:	MEDIUM
baseScore:	6.8
vectorString:	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	2.2
impactScore:	4.0
version:	3.0
Trust: 1.8

sources: CNVD: CNVD-2018-20461 // VULHUB: VHN-125686 // JVNDB: JVNDB-2018-012125 // CNNVD: CNNVD-201810-215 // NVD: CVE-2018-15428

PROBLEMTYPE DATA

problemtype:

CWE-20

Trust: 1.9

sources: VULHUB: VHN-125686 // JVNDB: JVNDB-2018-012125 // NVD: CVE-2018-15428

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201810-215

TYPE

input validation error

Trust: 0.6

sources: CNNVD: CNNVD-201810-215

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-012125

PATCH

title:	cisco-sa-20181003-iosxr-dos	url:	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-iosxr-dos	Trust: 0.8
title:	Cisco IOSXR Software BGP implements a denial of service vulnerability patch	url:	https://www.cnvd.org.cn/patchInfo/show/141685	Trust: 0.6
title:	Cisco IOS XR Software Enter the fix for the verification vulnerability	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=85429	Trust: 0.6

sources: CNVD: CNVD-2018-20461 // JVNDB: JVNDB-2018-012125 // CNNVD: CNNVD-201810-215

EXTERNAL IDS

db:	NVD	id:	CVE-2018-15428	Trust: 3.4
db:	SECTRACK	id:	1041790	Trust: 1.7
db:	JVNDB	id:	JVNDB-2018-012125	Trust: 0.8
db:	CNNVD	id:	CNNVD-201810-215	Trust: 0.7
db:	CNVD	id:	CNVD-2018-20461	Trust: 0.6
db:	BID	id:	105944	Trust: 0.3
db:	VULHUB	id:	VHN-125686	Trust: 0.1

sources: CNVD: CNVD-2018-20461 // VULHUB: VHN-125686 // BID: 105944 // JVNDB: JVNDB-2018-012125 // CNNVD: CNNVD-201810-215 // NVD: CVE-2018-15428

REFERENCES

url:	https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20181003-iosxr-dos	Trust: 2.0
url:	http://www.securitytracker.com/id/1041790	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2018-15428	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-15428	Trust: 0.8
url:	http://www.cisco.com/	Trust: 0.3

sources: CNVD: CNVD-2018-20461 // VULHUB: VHN-125686 // BID: 105944 // JVNDB: JVNDB-2018-012125 // CNNVD: CNNVD-201810-215 // NVD: CVE-2018-15428

CREDITS

Cisco

Trust: 0.3

sources: BID: 105944

SOURCES

db:	CNVD	id:	CNVD-2018-20461
db:	VULHUB	id:	VHN-125686
db:	BID	id:	105944
db:	JVNDB	id:	JVNDB-2018-012125
db:	CNNVD	id:	CNNVD-201810-215
db:	NVD	id:	CVE-2018-15428

LAST UPDATE DATE

2024-08-14T15:02:32.548000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2018-20461	date:	2018-10-10T00:00:00
db:	VULHUB	id:	VHN-125686	date:	2019-10-09T00:00:00
db:	BID	id:	105944	date:	2018-10-03T00:00:00
db:	JVNDB	id:	JVNDB-2018-012125	date:	2019-01-30T00:00:00
db:	CNNVD	id:	CNNVD-201810-215	date:	2019-10-17T00:00:00
db:	NVD	id:	CVE-2018-15428	date:	2019-10-09T23:35:36.250

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2018-20461	date:	2018-10-09T00:00:00
db:	VULHUB	id:	VHN-125686	date:	2018-10-05T00:00:00
db:	BID	id:	105944	date:	2018-10-03T00:00:00
db:	JVNDB	id:	JVNDB-2018-012125	date:	2019-01-30T00:00:00
db:	CNNVD	id:	CNNVD-201810-215	date:	2018-10-08T00:00:00
db:	NVD	id:	CVE-2018-15428	date:	2018-10-05T14:29:11.543