Matrix libolm up to 3.2.16 Ed25519 Signature cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Matrix libolm up to 3.2.16. It has been declared as problematic. Affected is an unknown function of the component Ed25519 Signature Handler. Such manipulation leads to cryptographic issue. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is uniquely identified as CVE-2024-45193. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Matrix libolm up to 3.2.16. Affected by this issue is some unknown processing of the component Ed25519 Signature Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality. CVE summarizes:

An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

The advisory is available at soatok.blog. This vulnerability is handled as CVE-2024-45193 since 08/22/2024. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

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

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Productinfo

Vendor

Name

Version

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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

08/22/2024 🔍
08/22/2024 +0 days 🔍
08/22/2024 +0 days 🔍
09/11/2024 +20 days 🔍

Sourcesinfo

Advisory: soatok.blog
Status: Confirmed

CVE: CVE-2024-45193 (🔍)
GCVE (CVE): GCVE-0-2024-45193
GCVE (VulDB): GCVE-100-275582

Entryinfo

Created: 08/22/2024 18:04
Updated: 09/11/2024 08:01
Changes: 08/22/2024 18:04 (54), 08/23/2024 15:07 (1), 09/11/2024 08:01 (11)
Complete: 🔍
Cache ID: 216::103

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