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6.8	$0-$5k	0.00

A vulnerability was found in Shibboleth XMLTooling-C up to 1.6.2 on Windows. It has been rated as critical. This issue affects some unknown functionality of the component Digital Signature Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Shibboleth XMLTooling-C before 1.6.3, as used in Shibboleth Service Provider before 2.6.0 on Windows and other products, mishandles digital signatures of user attribute data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via a crafted DTD.

The bug was discovered 01/12/2018. The weakness was shared 01/13/2018 (Website). The advisory is shared at securitytracker.com. The identification of this vulnerability is CVE-2018-0486 since 11/27/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 105800 (Debian DSA-4085-1 : xmltooling - 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170805 (OpenSUSE Security Update for xmltooling (openSUSE-SU-2018:0158-1)).

Upgrading to version 1.6.3 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (105800).

Affected

• Shibboleth Service Provider up to 2.5.x

Productinfo

Vendor

• Shibboleth

Name

• XMLTooling-C

Version

• 1.6.0
• 1.6.1
• 1.6.2

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

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: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

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: 105800
Nessus Name: Debian DSA-4085-1 : xmltooling - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58795
OpenVAS Name: Debian Lts Announce DLA 1242-1 ([SECURITY] [DLA 1242-1] xmltooling security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: XMLTooling-C 1.6.3

Timelineinfo

11/27/2017 🔍
01/12/2018 +46 days 🔍
01/12/2018 +0 days 🔍
01/13/2018 +1 days 🔍
01/13/2018 +0 days 🔍
01/13/2018 +0 days 🔍
01/15/2018 +2 days 🔍
01/20/2023 +1831 days 🔍

Sourcesinfo

Advisory: DLA 1242-1⛔
Status: Not defined

CVE: CVE-2018-0486 (🔍)
OVAL: 🔍

SecurityTracker: 1040177

Entryinfo

Created: 01/13/2018 22:59
Updated: 01/20/2023 18:59
Changes: 01/13/2018 22:59 (74), 12/23/2019 11:44 (2), 01/30/2021 07:48 (3), 01/20/2023 18:59 (3)
Complete: 🔍

Discussion

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