CVE-2017-16227

2017-10-2920:29:00

Alpine Linux Development Team

security.alpinelinux.org

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.011 Low

EPSS

Percentile

84.7%

JSON

The aspath_put function in bgpd/bgp_aspath.c in Quagga before 1.2.2 allows remote attackers to cause a denial of service (session drop) via BGP UPDATE messages, because AS_PATH size calculation for long paths counts certain bytes twice and consequently constructs an invalid message.

OSVersionArchitecturePackageVersionFilename
Alpine3.3-mainnoarchquagga< 0.99.24.1-r6UNKNOWN
Alpine3.4-mainnoarchquagga< 1.0.20161017-r1UNKNOWN
Alpine3.5-mainnoarchquagga< 1.1.1-r1UNKNOWN
Alpine3.6-mainnoarchquagga< 1.2.2-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	3.3-main	noarch	quagga	< 0.99.24.1-r6	UNKNOWN
Alpine	3.4-main	noarch	quagga	< 1.0.20161017-r1	UNKNOWN
Alpine	3.5-main	noarch	quagga	< 1.1.1-r1	UNKNOWN
Alpine	3.6-main	noarch	quagga	< 1.2.2-r0	UNKNOWN