Samba up to 3.0.24 infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Samba up to 3.0.24. This issue affects some unknown processing. Performing a manipulation results in infinite loop. This vulnerability was named CVE-2009-2906. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Samba up to 3.0.24 (File Transfer Software). This affects an unknown functionality. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was presented 10/01/2009 by Samba Team with Samba Team (Website). The advisory is shared at redhat.com. This vulnerability is uniquely identified as CVE-2009-2906. The exploitability is told to be easy. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 67946 (Oracle Linux 3 : samba (ELSA-2009-1528)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117540 (VMware ESX Service Console Updates for Samba and acpid (VMSA-2010-0006)).

Upgrading to version 3.0.25 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (53575), Tenable (67946), SecurityFocus (BID 36573†), OSVDB (58519†) and SecurityTracker (ID 1022976†). See VDB-47912, VDB-50374 and VDB-50022 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67946
Nessus Name: Oracle Linux 3 : samba (ELSA-2009-1528)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66054
OpenVAS Name: Debian Security Advisory DSA 1908-1 (samba)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Samba 3.0.25

Timelineinfo

08/20/2009 🔍
10/01/2009 +42 days 🔍
10/01/2009 +0 days 🔍
10/01/2009 +0 days 🔍
10/01/2009 +0 days 🔍
10/01/2009 +0 days 🔍
10/07/2009 +5 days 🔍
10/07/2009 +0 days 🔍
07/12/2013 +1374 days 🔍
03/18/2015 +614 days 🔍
01/25/2025 +3601 days 🔍

Sourcesinfo

Product: samba.org

Advisory: redhat.com
Researcher: Samba Team
Organization: Samba Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-2906 (🔍)
GCVE (CVE): GCVE-0-2009-2906
GCVE (VulDB): GCVE-100-50373

OVAL: 🔍

X-Force: 53575
SecurityFocus: 36573 - Samba Oplock Break Notification Remote Denial of Service Vulnerability
OSVDB: 58519 - Samba smbd Crafted SMB Request Remote CPU Consumption DoS
SecurityTracker: 1022976
Vulnerability Center: 23613 - Samba Oplock Break Notification on Authenticated Connections Remote DoS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 01/25/2025 19:08
Changes: 03/18/2015 15:15 (67), 06/08/2017 23:47 (10), 08/23/2021 14:52 (4), 08/23/2021 14:55 (1), 01/25/2025 19:08 (17)
Complete: 🔍
Cache ID: 216:13D:103

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