Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-3327

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
10/10/2011
Last modified:
11/04/2025

Description

Heap-based buffer overflow in the ecommunity_ecom2str function in bgp_ecommunity.c in bgpd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by sending a crafted BGP UPDATE message over IPv4.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:* 0.99.18 (including)
cpe:2.3:a:quagga:quagga:0.95:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.1:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.2:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.3:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.4:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.5:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.0:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.1:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.2:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.3:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.4:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.5:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools