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WS-2023-0329
Good to know:
Date: October 5, 2023
When the exponent is bigger than r, the group order of the pairing target group GT, the exponentiation à la GLV (ExpGLV) can sometimes give incorrect results compared to normal exponentiation (Exp). The issue impacts all users using ExpGLV for exponentiations in GT. This does not impact Exp and ExpCyclotomic which are sound. Also note that GLV methods in G1 and G2 are sound and not impacted. The issue is fixed in 0.12.1.
Language: Go
Severity Score
Severity Score
Weakness Type (CWE)
Incorrect Calculation
CWE-682Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | LOW |
| Availability (A): | NONE |