Oasis Digital Signature Services 1.0 XML Signature signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Oasis Digital Signature Services 1.0. This vulnerability affects unknown code of the component XML Signature Handler. Performing a manipulation as part of Digital Signature results in signature verification. This vulnerability is known as CVE-2020-13101. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oasis Digital Signature Services 1.0. This affects an unknown code of the component XML Signature Handler. The manipulation as part of a Digital Signature leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In OASIS Digital Signature Services (DSS) 1.0, an attacker can control the validation outcome (i.e., trigger either a valid or invalid outcome for a valid or invalid signature) via a crafted XML signature, when the InlineXML option is used. This defeats the expectation of non-repudiation.

The weakness was published 08/24/2020 (Website). The advisory is shared at oasis-open.org. This vulnerability is uniquely identified as CVE-2020-13101 since 05/15/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

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

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: 7.4
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/15/2020 🔍
08/24/2020 +101 days 🔍
08/24/2020 +0 days 🔍
11/11/2020 +79 days 🔍

Sourcesinfo

Advisory: oasis-open.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-13101 (🔍)
GCVE (CVE): GCVE-0-2020-13101
GCVE (VulDB): GCVE-100-160185

Entryinfo

Created: 08/24/2020 13:23
Updated: 11/11/2020 06:34
Changes: 08/24/2020 13:23 (38), 08/24/2020 13:28 (17), 11/10/2020 08:31 (1), 11/11/2020 06:34 (1)
Complete: 🔍
Cache ID: 216::103

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

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