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github.com/ecies/go vulnerable to possible private key restoration

High severity GitHub Reviewed Published Dec 4, 2023 in ecies/go • Updated Dec 5, 2023

Package

gomod github.com/ecies/go/v2 (Go)

Affected versions

< 2.0.8

Patched versions

2.0.8

Description

Impact

If functions Encapsulate(), Decapsulate() and ECDH() could be called by an attacker, he could recover any private key that he interacts with.

Patches

Patched in v2.0.8

Workarounds

You could manually check public key by calling IsOnCurve() function from secp256k1 libraries.

References

https://github.com/ashutosh1206/Crypton/blob/master/Diffie-Hellman-Key-Exchange/Attack-Invalid-Curve-Point/README.md

References

@savely-krasovsky savely-krasovsky published to ecies/go Dec 4, 2023
Published by the National Vulnerability Database Dec 5, 2023
Published to the GitHub Advisory Database Dec 5, 2023
Reviewed Dec 5, 2023
Last updated Dec 5, 2023

Severity

High
8.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2023-49292

GHSA ID

GHSA-8j98-cjfr-qx3h

Source code

Credits

Checking history
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