Information Exposure Affecting wolfssl/wolfssl package, versions [,3.15.3)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-UNMANAGED-WOLFSSLWOLFSSL-2369422
  • published26 Jan 2022
  • disclosed15 Jun 2018
  • creditUnknown

Introduced: 15 Jun 2018

CVE-2018-12436  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade wolfssl/wolfssl to version 3.15.3 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure wolfcrypt/src/ecc.c in wolfSSL before 3.15.1.patch allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.

CVSS Scores

version 3.1