CVE-2011-3326

(ospfd): Denial of service by decoding Link State Update LSAs of unknown type

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The ospf_flood function in ospf_flood.c in ospfd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) via an invalid Link State Advertisement (LSA) type in an IPv4 Link State Update message.

La función ospf_flood en ospf_flood.c en ospfd en Quagga anterior a v0.99.19 permite a atacantes remotos provocar una denegación de servicio (caída de la aplicación) a través de un Link State Advertisement (LSA) inválido en un mensaje IPv4 Link State Update.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Adjacent

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

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-399: Resource Management Errors

CAPEC

References (17)

URL	Tag	Source
http://code.quagga.net/?p=quagga.git%3Ba=commit%3Bh=6b161fc12a15aba8824c84d1eb38e529aaf70769	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://access.redhat.com/security/cve/CVE-2011-3326	2012-09-12
https://bugzilla.redhat.com/show_bug.cgi?id=738398	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