Ruby-saml up to 1.2.x XML Signature xml injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in Ruby-saml up to 1.2.x (Programming Language Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component XML Signature Handler. The manipulation with an unknown input leads to a xml injection vulnerability. The CWE definition for the vulnerability is CWE-91. The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system. As an impact it is known to affect integrity. The summary by CVE is:

Ruby-saml before 1.3.0 allows attackers to perform XML signature wrapping attacks via unspecified vectors.

The bug was discovered 06/24/2016. The weakness was shared 01/23/2017 (Website). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2016-5697 since 06/16/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 92006 (FreeBSD : ruby-saml -- XML signature wrapping attack (3fcd52b2-4510-11e6-a15f-00248c0c745d)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370247 (Ruby Gem ruby-saml XML Signature Wrapping Vulnerability).

Upgrading to version 1.3.0 eliminates this vulnerability. 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 (92006). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Xml injection
CWE: CWE-91 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92006
Nessus Name: FreeBSD : ruby-saml -- XML signature wrapping attack (3fcd52b2-4510-11e6-a15f-00248c0c745d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ruby-saml 1.3.0

Timelineinfo

06/16/2016 🔍
06/24/2016 +8 days 🔍
07/08/2016 +14 days 🔍
07/12/2016 +4 days 🔍
01/23/2017 +195 days 🔍
01/23/2017 +0 days 🔍
01/24/2017 +1 days 🔍
09/26/2024 +2802 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2016-5697 (🔍)
GCVE (CVE): GCVE-0-2016-5697
GCVE (VulDB): GCVE-100-95839
OSVDB: - CVE-2016-5697 - Ruby-saml - XML Signature Wrapping Issue

Entryinfo

Created: 01/24/2017 08:31 AM
Updated: 09/26/2024 08:37 AM
Changes: 01/24/2017 08:31 AM (64), 07/30/2020 04:23 PM (4), 09/26/2024 08:37 AM (18)
Complete: 🔍
Cache ID: 18:760:40

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