cnvd-2021-38085
Vulnerability from cnvd
Title
libxml2空指针解引用漏洞
Description
libxml2是用于解析XML文档的软件库。
libxml2 2.9.11之前版本存在空指针解引用漏洞。攻击者可通过特制XML文档利用该漏洞导致程序崩溃。
Severity
中
VLAI Severity ?
Patch Name
libxml2空指针解引用漏洞的补丁
Patch Description
libxml2是用于解析XML文档的软件库。
libxml2 2.9.11之前版本存在空指针解引用漏洞。攻击者可通过特制XML文档利用该漏洞导致程序崩溃。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
厂商已发布了漏洞修复程序,请及时关注更新: https://gitlab.gnome.org/GNOME/libxml2/-/commit/babe75030c7f64a37826bb3342317134568bef61
Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-3537
Impacted products
| Name | XMLSoft Libxml2 <2.9.11 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2021-3537",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3537"
}
},
"description": "libxml2\u662f\u7528\u4e8e\u89e3\u6790XML\u6587\u6863\u7684\u8f6f\u4ef6\u5e93\u3002\n\nlibxml2 2.9.11\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236XML\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gitlab.gnome.org/GNOME/libxml2/-/commit/babe75030c7f64a37826bb3342317134568bef61",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-38085",
"openTime": "2021-05-31",
"patchDescription": "libxml2\u662f\u7528\u4e8e\u89e3\u6790XML\u6587\u6863\u7684\u8f6f\u4ef6\u5e93\u3002\r\n\r\nlibxml2 2.9.11\u4e4b\u524d\u7248\u672c\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236XML\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\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": "libxml2\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "XMLSoft Libxml2 \u003c2.9.11"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
"serverity": "\u4e2d",
"submitTime": "2021-05-17",
"title": "libxml2\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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