Citadel up to 7.86 resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Citadel up to 7.86. This impacts an unknown function. Executing a manipulation can lead to resource management. This vulnerability appears as CVE-2011-1756. There is no available exploit.

Detailsinfo

A vulnerability has been found in Citadel up to 7.86 and classified as problematic. This vulnerability affects an unknown code block. 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. CVE summarizes:

modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier 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 presented 06/20/2011 (Website). The advisory is shared for download at security.debian.org. This vulnerability was named CVE-2011-1756. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 55038 (Debian DSA-2250-1 : citadel - denial of service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (67773), Tenable (55038), SecurityFocus (BID 48071†) and Vulnerability Center (SBV-31729†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: 55038
Nessus Name: Debian DSA-2250-1 : citadel - denial of service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69957
OpenVAS Name: Debian Security Advisory DSA 2250-1 (citadel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: code.citadel.org

Timelineinfo

04/19/2011 🔍
06/01/2011 +43 days 🔍
06/01/2011 +0 days 🔍
06/10/2011 +9 days 🔍
06/12/2011 +2 days 🔍
06/20/2011 +8 days 🔍
06/20/2011 +0 days 🔍
03/23/2015 +1372 days 🔍
11/13/2021 +2427 days 🔍

Sourcesinfo

Advisory: DSA-2250
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1756 (🔍)
GCVE (CVE): GCVE-0-2011-1756
GCVE (VulDB): GCVE-100-57748

OVAL: 🔍

X-Force: 67773
SecurityFocus: 48071 - Citadel XML Parsing Denial of Service Vulnerability
Secunia: 44788
Vulnerability Center: 31729 - Citadel 7.83 Entity Expansion when Processing XML Data Allows Remote Denial of Service, Medium

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/13/2021 10:57
Changes: 03/23/2015 16:50 (56), 03/23/2017 17:01 (9), 11/13/2021 10:44 (7), 11/13/2021 10:51 (1), 11/13/2021 10:57 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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