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nvd[email protected]NVD:CVE-2019-5892
HistoryJan 10, 2019 - 5:29 p.m.

CVE-2019-5892

2019-01-1017:29:00
CWE-436
[email protected]
web.nvd.nist.gov
2

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

High

EPSS

0.01

Percentile

83.3%

JSON

bgpd in FRRouting FRR (aka Free Range Routing) 2.x and 3.x before 3.0.4, 4.x before 4.0.1, 5.x before 5.0.2, and 6.x before 6.0.2 (not affecting Cumulus Linux or VyOS), when ENABLE_BGP_VNC is used for Virtual Network Control, allows remote attackers to cause a denial of service (peering session flap) via attribute 255 in a BGP UPDATE packet. This occurred during Disco in January 2019 because FRR does not implement RFC 7606, and therefore the packets with 255 were considered invalid VNC data and the BGP session was closed.

Affected configurations

Nvd
Node
frroutingfrroutingRange2.0–2.0.2
OR
frroutingfrroutingRange3.0–3.0.4
OR
frroutingfrroutingRange5.0–5.0.2
OR
frroutingfrroutingRange6.0–6.0.2
OR
frroutingfrroutingMatch4.0
VendorProductVersionCPE
frroutingfrrouting*cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*
frroutingfrrouting4.0cpe:2.3:a:frrouting:frrouting:4.0:*:*:*:*:*:*:*

Related

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CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

High

EPSS

0.01

Percentile

83.3%

JSON
Related for NVD:CVE-2019-5892
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