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CVE-2016-4049

Publication date 23 May 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

The bgp_dump_routes_func function in bgpd/bgp_dump.c in Quagga does not perform size checks when dumping data, which might allow remote attackers to cause a denial of service (assertion failure and daemon crash) via a large BGP packet.

Read the notes from the security team

Status

Package Ubuntu Release Status
quagga 16.04 LTS xenial
Fixed 0.99.24.1-2ubuntu1.1
15.10 wily Ignored end of life
14.04 LTS trusty
Fixed 0.99.22.4-3ubuntu1.2
12.04 LTS precise
Fixed 0.99.20.1-0ubuntu0.12.04.5

Notes

mdeslaur

as of 2016-09-15, upstream hasn't commited the proposed patch debian released update with proposed patch

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H