cnvd - cnvd-2022-18357

cnvd-2022-18357

Vulnerability from cnvd

Title: Expat存在未明漏洞（CNVD-2022-18357）

Description:

Expat是一款使用C语言编写的快速流式XML解析器。

Expat2.4.5之前存在安全漏洞，攻击者可利用该漏洞将命名空间分隔符插入命名空间URI。

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/libexpat/libexpa

Reference: https://github.com/libexpat/libexpa

Impacted products

Name
Expat Expat <2.4.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-25236",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-25236"
    }
  },
  "description": "Expat\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5feb\u901f\u6d41\u5f0fXML\u89e3\u6790\u5668\u3002\n\nExpat2.4.5\u4e4b\u524d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u547d\u540d\u7a7a\u95f4\u5206\u9694\u7b26\u63d2\u5165\u547d\u540d\u7a7a\u95f4URI\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/libexpat/libexpa",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-18357",
  "openTime": "2022-03-11",
  "products": {
    "product": "Expat Expat \u003c2.4.5"
  },
  "referenceLink": "https://github.com/libexpat/libexpa",
  "serverity": "\u9ad8",
  "submitTime": "2022-02-21",
  "title": "Expat\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2022-18357\uff09"
}

CVE-2022-25236 (GCVE-0-2022-25236)

Vulnerability from cvelistv5

Published

2022-02-16 00:39

Modified

2025-05-05 16:23

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Summary

xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.

References

▼	URL	Tags
	https://github.com/libexpat/libexpat/pull/561	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/02/19/1	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2022/dsa-5085	vendor-advisory, x_refsource_DEBIAN
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpuapr2022.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20220303-0008/	x_refsource_CONFIRM
	http://packetstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html	x_refsource_MISC
	https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/202209-24	vendor-advisory, x_refsource_GENTOO

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
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            ],
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          },
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            "name": "[oss-security] 20220219 Expat 2.4.5 released, includes 5 security fixes",
            "tags": [
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              "x_refsource_MLIST",
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            "url": "http://www.openwall.com/lists/oss-security/2022/02/19/1"
          },
          {
            "name": "DSA-5085",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
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            "url": "https://www.debian.org/security/2022/dsa-5085"
          },
          {
            "name": "FEDORA-2022-04f206996b",
            "tags": [
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              "x_refsource_FEDORA",
              "x_transferred"
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/"
          },
          {
            "name": "FEDORA-2022-3d9d67f558",
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          },
          {
            "name": "[debian-lts-announce] 20220307 [SECURITY] [DLA 2935-1] expat security update",
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              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf"
          },
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            "name": "GLSA-202209-24",
            "tags": [
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              "x_refsource_GENTOO",
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            "url": "https://security.gentoo.org/glsa/202209-24"
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        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
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            }
          },
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                "options": [
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                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:27:40.820309Z",
                "version": "2.0.3"
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        },
        {
          "name": "[debian-lts-announce] 20220307 [SECURITY] [DLA 2935-1] expat security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
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          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "tags": [
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          ],
          "url": "https://security.netapp.com/advisory/ntap-20220303-0008/"
        },
        {
          "tags": [
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          "url": "http://packetstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html"
        },
        {
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          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf"
        },
        {
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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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