Openfabrics ibacm 1.0.5 resource management

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as problematic has been found in Openfabrics ibacm 1.0.5. This affects an unknown code block. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

ibacm before 1.0.6 does not properly manage reference counts for multicast connections, which allows remote attackers to cause a denial of service (ibacm service crash) via a crafted join response.

The weakness was shared 10/22/2012 by Florian Weimer with Red Hat Product Security Team as confirmed git commit (GIT Repository). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2012-4517 since 08/21/2012. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 68748 (Oracle Linux 6 : rdma (ELSA-2013-0509)), 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 156536 (Oracle Enterprise Linux Update for rdma security, bug fix and enhancement update (ELSA-2013-0509)).

Upgrading to version 1.0.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at X-Force (79396) and Tenable (68748). The entry 62740 is related to this item.





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍



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


Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 68748
Nessus Name: Oracle Linux 6 : rdma (ELSA-2013-0509)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881628
OpenVAS Name: CentOS Update for ibacm CESA-2013:0509 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: ibacm 1.0.5
Patch: c7d28b35d64333c262de3ec972c426423dadccf9


08/21/2012 🔍
10/11/2012 +51 days 🔍
10/22/2012 +11 days 🔍
10/22/2012 +0 days 🔍
10/22/2012 +0 days 🔍
02/24/2013 +125 days 🔍
07/12/2013 +138 days 🔍
03/24/2015 +620 days 🔍
12/19/2021 +2462 days 🔍


Advisory: RHSA-2013:0509
Researcher: Florian Weimer
Organization: Red Hat Product Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-4517 (🔍)

X-Force: 79396
Vulnerability Center: 38517 - ibacm <1.0.6 Remote DoS due to Wrong Reference Count Management in Multicast Connections, Medium
SecurityFocus: 55890 - ibacm Denial of Service And Insecure File Permissions Vulnerabilities

See also: 🔍


Created: 03/24/2015 12:22 PM
Updated: 12/19/2021 02:42 PM
Changes: 03/24/2015 12:22 PM (70), 04/24/2017 10:59 PM (7), 12/19/2021 02:41 PM (4), 12/19/2021 02:42 PM (1)
Complete: 🔍


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