Description
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.
Published: 2017-10-29
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-1152-1 quagga security update
Debian DSA Debian DSA DSA-4011-1 quagga security update
EUVD EUVD EUVD-2017-7426 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.
Ubuntu USN Ubuntu USN USN-3471-1 Quagga vulnerabilities
History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.01448}

epss

{'score': 0.01457}


Subscriptions

Debian Debian Linux
Quagga Quagga
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T20:20:04.858Z

Reserved: 2017-10-29T00:00:00.000Z

Link: CVE-2017-16227

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-10-29T20:29:00.207

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-16227

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-10-02T00:00:00Z

Links: CVE-2017-16227 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses