CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability was found in XMLTooling-C up to 1.5.4. It has been classified as problematic. This affects some unknown processing in the library xmltooling/base.h of the component XML Data Handler. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on availability. The summary by CVE is:

XMLTooling-C before 1.5.5, as used in OpenSAML-C and Shibboleth Service Provider (SP), does not properly handle integer conversion exceptions, which allows remote attackers to cause a denial of service (crash) via schema-invalid XML data.

The weakness was published 08/12/2015 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.shibboleth.net. This vulnerability is uniquely identified as CVE-2015-0851 since 01/06/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 85280 (Debian DLA-290-2 : opensaml2 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading to version 1.5.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.shibboleth.net. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (85280).

Affected

• OpenSAML-C
• Shibboleth Service Provider

Productinfo

Name

• XMLTooling-C

Version

• 1.5.0
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 85280
Nessus Name: Debian DLA-290-2 : opensaml2 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703321
OpenVAS Name: Debian Security Advisory DSA 3321-1 (xmltooling - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: XMLTooling-C 1.5.5
Patch: 2d795c731e6729309044607154978696a87fd900

Timelineinfo

01/06/2015 🔍
07/21/2015 +195 days 🔍
07/21/2015 +0 days 🔍
08/10/2015 +20 days 🔍
08/10/2015 +0 days 🔍
08/12/2015 +2 days 🔍
08/12/2015 +0 days 🔍
08/13/2015 +1 days 🔍
08/26/2015 +12 days 🔍
06/09/2022 +2479 days 🔍

Sourcesinfo

Advisory: git.shibboleth.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0851 (🔍)
OVAL: 🔍

Vulnerability Center: 52309 - XMLTooling-C before 1.5.5 Remote DoS via XMLTooling-C before 1.5.5, Medium
SecurityFocus: 76134 - XMLTooling-C CVE-2015-0851 Denial of Service Vulnerability

Entryinfo

Created: 08/13/2015 10:15
Updated: 06/09/2022 09:36
Changes: 08/13/2015 10:15 (63), 09/21/2018 10:10 (12), 06/09/2022 09:36 (3)
Complete: 🔍

Discussion

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