CVE-2009-2906

samba: infinite loop flaw in smbd on unexpected oplock break notification reply

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote authenticated users to cause a denial of service (infinite loop) via an unanticipated oplock break notification reply packet.

smbd en Samba v3.0 anterior a v3.0.37, v3.2 anterior a v3.2.15, v3.3 anterior a v3.3.8 y v3.4 anterior a v3.4.2, permite a usuarios autenticados remotamente provocar una denegación de servicio (bucle infinito) a través de un paquete de notificación de respuesta "oplock break" imprevisto.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Adjacent

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-08-20 CVE Reserved
2009-10-07 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

CAPEC

References (29)

URL	Tag	Source
http://osvdb.org/58519	Broken Link
http://secunia.com/advisories/37428	Third Party Advisory
http://support.apple.com/kb/HT4077	Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0145	Third Party Advisory
http://www.securityfocus.com/archive/1/507856/100/0/threaded	Mailing List
http://www.securitytracker.com/id?1022976	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/53575	Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7090	Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9944	Signature

URL	Date	SRC

URL	Date	SRC
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561439	2023-02-13
http://www.securityfocus.com/bid/36573	2023-02-13
http://www.ubuntu.com/usn/USN-839-1	2023-02-13
http://www.vupen.com/english/advisories/2009/2810	2023-02-13
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00095.html	2023-02-13
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00098.html	2023-02-13

URL	Date	SRC
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html	2023-02-13
http://news.samba.org/releases/3.0.37	2023-02-13
http://news.samba.org/releases/3.2.15	2023-02-13
http://news.samba.org/releases/3.3.8	2023-02-13
http://news.samba.org/releases/3.4.2	2023-02-13
http://samba.org/samba/security/CVE-2009-2906.html	2023-02-13
http://secunia.com/advisories/36893	2023-02-13
http://secunia.com/advisories/36918	2023-02-13
http://secunia.com/advisories/36937	2023-02-13
http://secunia.com/advisories/36953	2023-02-13
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021111.1-1	2023-02-13
https://access.redhat.com/security/cve/CVE-2009-2906	2009-11-16
https://bugzilla.redhat.com/show_bug.cgi?id=526645	2009-11-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				< 3.0.37 Search vendor "Samba" for product "Samba" and version " < 3.0.37"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 3.2.0 < 3.2.15 Search vendor "Samba" for product "Samba" and version " >= 3.2.0 < 3.2.15"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				>= 3.3.0 < 3.3.8 Search vendor "Samba" for product "Samba" and version " >= 3.3.0 < 3.3.8"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				3.4.0 Search vendor "Samba" for product "Samba" and version "3.4.0"		-		Affected
Samba Search vendor "Samba"		Samba Search vendor "Samba" for product "Samba"				3.4.1 Search vendor "Samba" for product "Samba" and version "3.4.1"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				6.06 Search vendor "Canonical" for product "Ubuntu Linux" and version "6.06"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				8.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "8.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				9.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "9.04"		-		Affected