libsecp256k1 Crate up to 0.3.0 on Rust Scalar::check_overflow timing discrepancy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.6$0-$5k0.00

Summaryinfo

A vulnerability was found in libsecp256k1 Crate up to 0.3.0 on Rust. It has been rated as problematic. Affected by this issue is the function Scalar::check_overflow. The manipulation leads to timing discrepancy. This vulnerability is traded as CVE-2019-25003. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in libsecp256k1 Crate up to 0.3.0 on Rust (Rust Package). This issue affects the function Scalar::check_overflow. The manipulation with an unknown input leads to a timing discrepancy vulnerability. Using CWE to declare the problem leads to CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. Impacted is confidentiality.

The weakness was shared 12/31/2020 as RUSTSEC-2019-0027. The advisory is shared at rustsec.org. The identification of this vulnerability is CVE-2019-25003. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 0.3.1 eliminates this vulnerability.

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libsecp256k1 Crate 0.3.1

Timelineinfo

12/31/2020 🔍
12/31/2020 +0 days 🔍
12/31/2020 +0 days 🔍

Sourcesinfo

Advisory: RUSTSEC-2019-0027
Status: Confirmed

CVE: CVE-2019-25003 (🔍)
GCVE (CVE): GCVE-0-2019-25003
GCVE (VulDB): GCVE-100-167069

Entryinfo

Created: 12/31/2020 13:28
Changes: 12/31/2020 13:28 (39)
Complete: 🔍
Cache ID: 216::103

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