CVE-2011-3327

(bgpd): Heap-based buffer overflow by decoding BGP UPDATE message with unknown AS_PATH attributes

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Desbordamiento de buffer de memoria dinámica en la función ecommunity_ecom2str en bgp_ecommunity.c en bgpd en Quagga anterior a v0.99.19 permite a atacantes remotos provocar una denegación de servicio (caída del demonio) o posiblemente ejecutar código de su elección enviando mensajes BGP UPDATE manipulados sobre IPv4.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Adjacent

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-08-29 CVE Reserved
2011-10-10 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

CAPEC

References (17)

URL	Tag	Source
http://code.quagga.net/?p=quagga.git%3Ba=commit%3Bh=94431dbc753171b48b5c6806af97fd690813b00a	X_refsource_confirm
http://secunia.com/advisories/46274	Third Party Advisory
http://secunia.com/advisories/48106	Third Party Advisory
http://www.kb.cert.org/vuls/id/668534	Third Party Advisory
http://www.quagga.net/download/quagga-0.99.19.changelog.txt	X_refsource_confirm
https://www.cert.fi/en/reports/2011/vulnerability539178.html	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00027.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00007.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00010.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2012-1258.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2012-1259.html	2023-11-07
http://secunia.com/advisories/46139	2023-11-07
http://security.gentoo.org/glsa/glsa-201202-02.xml	2023-11-07
http://www.debian.org/security/2011/dsa-2316	2023-11-07
https://bugzilla.redhat.com/show_bug.cgi?id=738400	2012-09-12
https://access.redhat.com/security/cve/CVE-2011-3327	2012-09-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				<= 0.99.18 Search vendor "Quagga" for product "Quagga" and version " <= 0.99.18"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.95 Search vendor "Quagga" for product "Quagga" and version "0.95"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.96 Search vendor "Quagga" for product "Quagga" and version "0.96"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.96.1 Search vendor "Quagga" for product "Quagga" and version "0.96.1"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.96.2 Search vendor "Quagga" for product "Quagga" and version "0.96.2"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.96.3 Search vendor "Quagga" for product "Quagga" and version "0.96.3"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.96.4 Search vendor "Quagga" for product "Quagga" and version "0.96.4"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.96.5 Search vendor "Quagga" for product "Quagga" and version "0.96.5"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.97.0 Search vendor "Quagga" for product "Quagga" and version "0.97.0"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.97.1 Search vendor "Quagga" for product "Quagga" and version "0.97.1"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.97.2 Search vendor "Quagga" for product "Quagga" and version "0.97.2"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.97.3 Search vendor "Quagga" for product "Quagga" and version "0.97.3"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.97.4 Search vendor "Quagga" for product "Quagga" and version "0.97.4"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.97.5 Search vendor "Quagga" for product "Quagga" and version "0.97.5"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.98.0 Search vendor "Quagga" for product "Quagga" and version "0.98.0"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.98.1 Search vendor "Quagga" for product "Quagga" and version "0.98.1"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.98.2 Search vendor "Quagga" for product "Quagga" and version "0.98.2"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.98.3 Search vendor "Quagga" for product "Quagga" and version "0.98.3"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.98.4 Search vendor "Quagga" for product "Quagga" and version "0.98.4"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.98.5 Search vendor "Quagga" for product "Quagga" and version "0.98.5"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.98.6 Search vendor "Quagga" for product "Quagga" and version "0.98.6"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.1 Search vendor "Quagga" for product "Quagga" and version "0.99.1"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.2 Search vendor "Quagga" for product "Quagga" and version "0.99.2"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.3 Search vendor "Quagga" for product "Quagga" and version "0.99.3"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.4 Search vendor "Quagga" for product "Quagga" and version "0.99.4"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.5 Search vendor "Quagga" for product "Quagga" and version "0.99.5"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.6 Search vendor "Quagga" for product "Quagga" and version "0.99.6"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.7 Search vendor "Quagga" for product "Quagga" and version "0.99.7"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.8 Search vendor "Quagga" for product "Quagga" and version "0.99.8"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.9 Search vendor "Quagga" for product "Quagga" and version "0.99.9"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.10 Search vendor "Quagga" for product "Quagga" and version "0.99.10"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.11 Search vendor "Quagga" for product "Quagga" and version "0.99.11"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.12 Search vendor "Quagga" for product "Quagga" and version "0.99.12"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.13 Search vendor "Quagga" for product "Quagga" and version "0.99.13"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.14 Search vendor "Quagga" for product "Quagga" and version "0.99.14"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.15 Search vendor "Quagga" for product "Quagga" and version "0.99.15"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.16 Search vendor "Quagga" for product "Quagga" and version "0.99.16"		-		Affected
Quagga Search vendor "Quagga"		Quagga Search vendor "Quagga" for product "Quagga"				0.99.17 Search vendor "Quagga" for product "Quagga" and version "0.99.17"		-		Affected