Solana rBPF 0.2.14/0.2.15/0.2.16 src/elf.rs relocate sym.st_value integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Solana rBPF 0.2.14/0.2.15/0.2.16. It has been declared as critical. Affected by this issue is the function relocate of the file src/elf.rs. Executing a manipulation of the argument sym.st_value can lead to integer overflow. The identification of this vulnerability is CVE-2021-46102. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical was found in Solana rBPF 0.2.14/0.2.15/0.2.16. This vulnerability affects the function relocate of the file src/elf.rs. The manipulation of the argument sym.st_value with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 01/27/2022. The advisory is shared for download at blocksecteam.medium.com. This vulnerability was named CVE-2021-46102 since 01/03/2022. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/03/2022 🔍
01/27/2022 +24 days 🔍
01/27/2022 +0 days 🔍
01/29/2022 +2 days 🔍

Sourcesinfo

Advisory: blocksecteam.medium.com
Status: Confirmed

CVE: CVE-2021-46102 (🔍)
GCVE (CVE): GCVE-0-2021-46102
GCVE (VulDB): GCVE-100-191764

Entryinfo

Created: 01/27/2022 21:31
Updated: 01/29/2022 17:20
Changes: 01/27/2022 21:31 (41), 01/29/2022 17:20 (1)
Complete: 🔍
Cache ID: 216::103

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