Timing Side-Channel Vulnerability in wolfSSL by wolfSSL Inc.
CVE-2020-11713

7.5HIGH

Key Information:

Vendor

Wolfssl

Status
Wolfssl
Vendor
CVE Published:
12 April 2020

What is CVE-2020-11713?

A vulnerability exists in wolfSSL version 4.3.0 due to improper resistance to timing side-channel attacks in the wc_ecc_mulmod_ex function within the ecc.c file. This flaw could allow an adversary to gain insights into cryptographic operations by analyzing the timing of certain operations, potentially compromising the security of applications relying on this library. Proper defense mechanisms must be employed to mitigate the risks associated with this vulnerability.

References

https://github.com/wolfSSL/wolfssl/pull/2894/
x_refsource_MISC
https://gist.github.com/pietroborrello/7c5be2d1dc15349c4f...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.