cnvd - cnvd-2020-44866

cnvd-2020-44866

Vulnerability from cnvd

Title: wolfSSL缓冲区过读漏洞

Description:

wolfSSL是一个旨在供嵌入式系统开发人员使用的小型、可移植、嵌入式SSL/TLS库。

wolfSSL 4.1.0中的wolfcrypt/src/asn.c中的DecodeCertExtensions存在缓冲区过读漏洞，该漏洞源于GetLength_ex的ASN_BOOLEAN字节读取处理错误，攻击者可通过特制DER证书利用该漏洞导致缓冲区溢出。

Severity: 高

Formal description:

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/wolfSSL/wolfssl

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-15651

Impacted products

Name
wolfSSL wolfSSL 4.1.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15651",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-15651"
    }
  },
  "description": "wolfSSL\u662f\u4e00\u4e2a\u65e8\u5728\u4f9b\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u7684\u5c0f\u578b\u3001\u53ef\u79fb\u690d\u3001\u5d4c\u5165\u5f0fSSL/TLS\u5e93\u3002\n\nwolfSSL 4.1.0\u4e2d\u7684wolfcrypt/src/asn.c\u4e2d\u7684DecodeCertExtensions\u5b58\u5728\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eGetLength_ex\u7684ASN_BOOLEAN\u5b57\u8282\u8bfb\u53d6\u5904\u7406\u9519\u8bef\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236DER\u8bc1\u4e66\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/wolfSSL/wolfssl",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-44866",
  "openTime": "2020-08-07",
  "products": {
    "product": "wolfSSL wolfSSL 4.1.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-15651",
  "serverity": "\u9ad8",
  "submitTime": "2019-08-27",
  "title": "wolfSSL\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e"
}

CVE-2019-15651 (GCVE-0-2019-15651)

Vulnerability from cvelistv5

Published

2019-08-26 21:57

Modified

2024-08-05 00:56

Severity ?

CWE

Summary

wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER certificate in GetLength_ex.

References

▼	URL	Tags
	https://github.com/wolfSSL/wolfssl/issues/2421	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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            ],
            "url": "https://github.com/wolfSSL/wolfssl/issues/2421"
          }
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          ],
          "url": "https://github.com/wolfSSL/wolfssl/issues/2421"
        }
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          "ID": "CVE-2019-15651",
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  "cveMetadata": {
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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