GNU C Library up to 2.14 svc_run resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU C Library up to 2.14 and classified as problematic. This vulnerability affects the function svc_run. The manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2011-4609. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in GNU C Library up to 2.14 (Software Library) and classified as problematic. This issue affects the function svc_run. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The svc_run function in the RPC implementation in glibc before 2.15 allows remote attackers to cause a denial of service (CPU consumption) via a large number of RPC connections.

The weakness was disclosed 05/02/2013 by Vincent Danen as Bug 767299 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2011-4609 since 11/29/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 69646 (Amazon Linux AMI : glibc (ALAS-2012-39)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216049 (VMWare ESXi 5.1.0 Patch Complete Update 1 Missing (KB2041632)).

Upgrading to version 2.14 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (69646), SecurityFocus (BID 51439†) and Vulnerability Center (SBV-34396†). The entries VDB-4619, VDB-4675, VDB-4996 and VDB-5407 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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: 69646
Nessus Name: Amazon Linux AMI : glibc (ALAS-2012-39)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881117
OpenVAS Name: CentOS Update for glibc CESA-2012:0058 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: C Library 2.14

Timelineinfo

11/29/2011 🔍
01/16/2012 +48 days 🔍
01/16/2012 +0 days 🔍
02/06/2012 +21 days 🔍
05/02/2013 +451 days 🔍
05/02/2013 +0 days 🔍
03/24/2015 +691 days 🔍
01/02/2022 +2476 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 767299
Researcher: Vincent Danen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4609 (🔍)
GCVE (CVE): GCVE-0-2011-4609
GCVE (VulDB): GCVE-100-64067

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 51439 - GNU glibc 'svc_run()' EMFILE Error Handling Denial of Service Vulnerability
Vulnerability Center: 34396 - GNU GlibC svc_run() Remote DoS via Crafted RPC Requests, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/02/2022 13:29
Changes: 03/24/2015 15:54 (66), 04/09/2017 14:28 (12), 01/02/2022 13:29 (3)
Complete: 🔍
Cache ID: 216:101:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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