libsecp256k1 Crate up to 0.4.x on Rust Parameter R/S privilege escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in libsecp256k1 Crate up to 0.4.x on Rust. Affected by this vulnerability is an unknown functionality of the component Parameter Handler. Such manipulation of the argument R/S leads to an unknown weakness. This vulnerability is documented as CVE-2021-38195. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in libsecp256k1 Crate up to 0.4.x on Rust (Rust Package) and classified as problematic. Affected by this issue is an unknown functionality of the component Parameter Handler. The manipulation of the argument R/S with an unknown input leads to a unknown weakness. The impact remains unknown.

The weakness was released 08/08/2021 as RUSTSEC-2021-0076. The advisory is shared for download at rustsec.org. This vulnerability is handled as CVE-2021-38195. There are known technical details, but no exploit is available.

Upgrading to version 0.5.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libsecp256k1 Crate 0.5.0

Timelineinfo

08/08/2021 🔍
08/08/2021 +0 days 🔍
08/08/2021 +0 days 🔍
08/14/2021 +6 days 🔍

Sourcesinfo

Advisory: RUSTSEC-2021-0076
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-38195 (🔍)
GCVE (CVE): GCVE-0-2021-38195
GCVE (VulDB): GCVE-100-180356

Entryinfo

Created: 08/08/2021 20:17
Updated: 08/14/2021 09:16
Changes: 08/08/2021 20:17 (40), 08/14/2021 09:16 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!