Process-one ejabberd up to 3.0.0 expat_erl.c 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 identified as problematic has been detected in Process-one ejabberd. The affected element is an unknown function of the file expat_erl.c. This manipulation causes resource management. This vulnerability is registered as CVE-2011-1753. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic was found in Process-one ejabberd. Affected by this vulnerability is some unknown functionality of the file expat_erl.c. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

The weakness was published 06/20/2011 as confirmed git commit (GIT Repository). The advisory is shared at git.process-one.net. This vulnerability is known as CVE-2011-1753. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 55429 (FreeBSD : ejabberd -- remote denial of service vulnerability (01d3ab7d-9c43-11e0-bc0f-0014a5e3cda6)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading to version 2.0.1 2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.process-one.net. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at X-Force (67769), Tenable (55429), SecurityFocus (BID 48072†) and Vulnerability Center (SBV-31924†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 55429
Nessus Name: FreeBSD : ejabberd -- remote denial of service vulnerability (01d3ab7d-9c43-11e0-bc0f-0014a5e3cda6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69955
OpenVAS Name: Debian Security Advisory DSA 2248-1 (ejabberd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: ejabberd 2.0.1 2
Patch: git.process-one.net

Timelineinfo

04/19/2011 🔍
06/01/2011 +43 days 🔍
06/01/2011 +0 days 🔍
06/20/2011 +19 days 🔍
06/20/2011 +0 days 🔍
06/21/2011 +1 days 🔍
06/27/2011 +6 days 🔍
03/23/2015 +1365 days 🔍
11/13/2021 +2427 days 🔍

Sourcesinfo

Advisory: dsa-2248
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1753 (🔍)
GCVE (CVE): GCVE-0-2011-1753
GCVE (VulDB): GCVE-100-57745

OVAL: 🔍

X-Force: 67769
SecurityFocus: 48072 - ejabberd XML Parsing Denial of Service Vulnerability
Secunia: 44765
Vulnerability Center: 31924 - expat_erl.c in Ejabberd and Exmpp Remote Denial of Service Vulnerability via a Crafted XML Document, Medium

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/13/2021 10:12
Changes: 03/23/2015 16:50 (62), 03/24/2017 12:10 (9), 11/13/2021 10:04 (6), 11/13/2021 10:06 (1), 11/13/2021 10:12 (1)
Complete: 🔍
Cache ID: 216:047:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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