cnvd - cnvd-2017-01314

CNVD-2017-01314

Vulnerability from cnvd - Published: 2017-02-14

Title

jwt安全绕过漏洞

Description

jwt是一个用于PHP中的JSON Web Token（JWT）方案的实现。 jwt 1.0.2及之前的版本中的Encryption/Symmetric.php文件的verify函数存在安全绕过漏洞。攻击者可利用该漏洞伪造签名。

Severity

中

Patch Name

jwt安全绕过漏洞的补丁

Patch Description

jwt是一个用于PHP中的JSON Web Token（JWT）方案的实现。 jwt 1.0.2及之前的版本中的Encryption/Symmetric.php文件的verify函数存在安全绕过漏洞。攻击者可利用该漏洞伪造签名。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://github.com/emarref/jwt

Reference

https://github.com/emarref/jwt/pull/20

Impacted products

Name
jwt project jwt <=1.0.2

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "95847"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-7037",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7037"
    }
  },
  "description": "jwt\u662f\u4e00\u4e2a\u7528\u4e8ePHP\u4e2d\u7684JSON Web Token\uff08JWT\uff09\u65b9\u6848\u7684\u5b9e\u73b0\u3002\r\n\r\njwt 1.0.2\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684Encryption/Symmetric.php\u6587\u4ef6\u7684verify\u51fd\u6570\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f2a\u9020\u7b7e\u540d\u3002",
  "discovererName": "emarref.",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/emarref/jwt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-01314",
  "openTime": "2017-02-14",
  "patchDescription": "jwt\u662f\u4e00\u4e2a\u7528\u4e8ePHP\u4e2d\u7684JSON Web Token\uff08JWT\uff09\u65b9\u6848\u7684\u5b9e\u73b0\u3002\r\n\r\njwt 1.0.2\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684Encryption/Symmetric.php\u6587\u4ef6\u7684verify\u51fd\u6570\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f2a\u9020\u7b7e\u540d\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "jwt\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "jwt project jwt \u003c=1.0.2"
  },
  "referenceLink": "https://github.com/emarref/jwt/pull/20",
  "serverity": "\u4e2d",
  "submitTime": "2017-02-08",
  "title": "jwt\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2016-7037 (GCVE-0-2016-7037)

Vulnerability from cvelistv5 – Published: 2017-01-23 21:00 – Updated: 2024-08-06 01:50

Summary

The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.

Severity ?

No CVSS data available.

CWE

Assigner

redhat

References

URL

Tags

	https://github.com/emarref/jwt/pull/20	x_refsource_CONFIRM
	https://github.com/emarref/jwt/releases/tag/1.0.3	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/95847	vdb-entryx_refsource_BID

Show details on NVD website

JSON

To clipboard

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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

CNVD-2017-01314

CVE-2016-7037 (GCVE-0-2016-7037)

Tags

Sightings

Nomenclature