CVE-2022-48570

Published Aug 22, 2023

Last updated a year ago

Overview

Description: Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
Source: cve@mitre.org
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-787

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:cryptopp:crypto\\+\\+:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BFA9C8B3-FB1A-4E7F-A316-DACCCF660D08",
            "versionEndIncluding": "8.4.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References