National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-5381 Detail

Current 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.

Source:  MITRE
Description Last Modified:  02/19/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://savannah.nongnu.org/forum/forum.php?forum_id=9095 Third Party Advisory
http://www.kb.cert.org/vuls/id/940439 Third Party Advisory US Government Resource
https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-1975.txt Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/02/msg00021.html Third Party Advisory
https://security.gentoo.org/glsa/201804-17
https://usn.ubuntu.com/3573-1/
https://www.debian.org/security/2018/dsa-4115 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Uncontrolled Resource Consumption ('Resource Exhaustion') (CWE-400)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-5381
NVD Published Date:
02/19/2018
NVD Last Modified:
10/21/2018