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CVE-2018-5381

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CVE-2018-5381

Published: Feb 19, 2018

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.0

6.5

MEDIUM

Description

The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.

VendorProductVersions

Quagga

bgpd

affected
bpgd - < 1.2.3

Weaknesses (CWE)

CWE-228

CVSS v3.0 Details

CVSS v3.0 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

USN-3573-1
vendor-advisory
x_refsource_UBUNTU
DSA-4115
vendor-advisory
x_refsource_DEBIAN
GLSA-201804-17
vendor-advisory
x_refsource_GENTOO
VU#940439
third-party-advisory
x_refsource_CERT-VN

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