cnvd - cnvd-2025-12278

cnvd-2025-12278

Vulnerability from cnvd

Title

GNU GRUB存在未明漏洞

Description

GNU GRUB是GNU社区的一款Linux系统引导程序。 GNU GRUB存在安全漏洞，该漏洞源于grub_crypto_memcmp未使用常量时间算法，目前没有详细的漏洞细节提供。

Severity

中

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://www.gnu.org/

Reference

https://savannah.gnu.org/bugs/?66603

Impacted products

Name
Gnu GNU GRUB <=2.12

Show details on source website

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-56738",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-56738"
    }
  },
  "description": "GNU GRUB\u662fGNU\u793e\u533a\u7684\u4e00\u6b3eLinux\u7cfb\u7edf\u5f15\u5bfc\u7a0b\u5e8f\u3002\n\nGNU GRUB\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8egrub_crypto_memcmp\u672a\u4f7f\u7528\u5e38\u91cf\u65f6\u95f4\u7b97\u6cd5\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.gnu.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-12278",
  "openTime": "2025-06-12",
  "products": {
    "product": "Gnu GNU GRUB \u003c=2.12"
  },
  "referenceLink": "https://savannah.gnu.org/bugs/?66603",
  "serverity": "\u4e2d",
  "submitTime": "2025-01-03",
  "title": "GNU GRUB\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2024-56738 (GCVE-0-2024-56738)

Vulnerability from cvelistv5

Published

2024-12-29 00:00

Modified

2024-12-31 18:15

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-208 - Observable Timing Discrepancy

Summary

GNU GRUB (aka GRUB2) through 2.12 does not use a constant-time algorithm for grub_crypto_memcmp and thus allows side-channel attacks.

References

URL

Tags

https://savannah.gnu.org/bugs/?66603

Impacted products

	Vendor	Product	Version
	GNU	GRUB2	Version: 2.00 <

Show details on NVD website

To clipboard

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        "metrics": [
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              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
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              "userInteraction": "NONE",
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          "vendor": "GNU",
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              "status": "affected",
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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