github - ghsa-2xj6-87qq-8g95

GHSA-2XJ6-87QQ-8G95

Vulnerability from github – Published: 2022-05-24 17:43 – Updated: 2022-05-24 17:43

Details

An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3. The function does not correctly validate the embedded length field of an authenticated message received from the device. Out-of-bounds reads performed by aes_remove_padding() can crash the running process, depending on the memory layout. This could be used by an attacker to cause a client-side denial of service. The yubihsm-shell project is included in the YubiHSM 2 SDK product.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-27217"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-03-04T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3. The function does not correctly validate the embedded length field of an authenticated message received from the device. Out-of-bounds reads performed by aes_remove_padding() can crash the running process, depending on the memory layout. This could be used by an attacker to cause a client-side denial of service. The yubihsm-shell project is included in the YubiHSM 2 SDK product.",
  "id": "GHSA-2xj6-87qq-8g95",
  "modified": "2022-05-24T17:43:42Z",
  "published": "2022-05-24T17:43:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27217"
    },
    {
      "type": "WEB",
      "url": "https://blog.inhq.net/posts/yubico-libyubihsm-vuln2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Yubico/yubihsm-shell/releases"
    },
    {
      "type": "WEB",
      "url": "https://www.yubico.com/support/security-advisories/ysa-2021-01"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-27217 (GCVE-0-2021-27217)

Vulnerability from cvelistv5 – Published: 2021-03-04 17:45 – Updated: 2024-08-03 20:40

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/Yubico/yubihsm-shell/releases	x_refsource_MISC
	https://www.yubico.com/support/security-advisorie…	x_refsource_CONFIRM
	https://blog.inhq.net/posts/yubico-libyubihsm-vuln2	x_refsource_MISC

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-2XJ6-87QQ-8G95

CVE-2021-27217 (GCVE-0-2021-27217)

Tags

Sightings

Nomenclature