cnvd-2015-02374
Vulnerability from cnvd
Title: libtasn1栈缓冲区溢出漏洞
Description:
Libtasn1是GNU项目的一个用于开发ASN.1（Abstract Syntax Notation One，用于描述数据的表示、编码、传输、解码的标准）结构管理的C库。
libtasn1 4.4之前版本的asn1_der_decoding功能中存在栈缓冲区溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务，或执行任意代码。
Severity: 中
Patch Name: libtasn1栈缓冲区溢出漏洞的补丁
Patch Description:
Libtasn1是GNU项目的一个用于开发ASN.1（Abstract Syntax Notation One，用于描述数据的表示、编码、传输、解码的标准）结构管理的C库。libtasn1 4.4之前版本的asn1_der_decoding功能中存在栈缓冲区溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务，或执行任意代码。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： http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=blob;f=NEWS;hb=HEAD
Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2806
Impacted products
| Name | GNU Libtasn1 <4.4 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2015-2806"
}
},
"description": "Libtasn1\u662fGNU\u9879\u76ee\u7684\u4e00\u4e2a\u7528\u4e8e\u5f00\u53d1ASN.1\uff08Abstract Syntax Notation One\uff0c\u7528\u4e8e\u63cf\u8ff0\u6570\u636e\u7684\u8868\u793a\u3001\u7f16\u7801\u3001\u4f20\u8f93\u3001\u89e3\u7801\u7684\u6807\u51c6\uff09\u7ed3\u6784\u7ba1\u7406\u7684C\u5e93\u3002\r\n\r\nlibtasn1 4.4\u4e4b\u524d\u7248\u672c\u7684asn1_der_decoding\u529f\u80fd\u4e2d\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff0c\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
"discovererName": "Hanno B\u00f6ck",
"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\nhttp://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=blob;f=NEWS;hb=HEAD",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2015-02374",
"openTime": "2015-04-14",
"patchDescription": "Libtasn1\u662fGNU\u9879\u76ee\u7684\u4e00\u4e2a\u7528\u4e8e\u5f00\u53d1ASN.1\uff08Abstract Syntax Notation One\uff0c\u7528\u4e8e\u63cf\u8ff0\u6570\u636e\u7684\u8868\u793a\u3001\u7f16\u7801\u3001\u4f20\u8f93\u3001\u89e3\u7801\u7684\u6807\u51c6\uff09\u7ed3\u6784\u7ba1\u7406\u7684C\u5e93\u3002libtasn1 4.4\u4e4b\u524d\u7248\u672c\u7684asn1_der_decoding\u529f\u80fd\u4e2d\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff0c\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "libtasn1\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "GNU Libtasn1 \u003c4.4"
},
"referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2806",
"serverity": "\u4e2d",
"submitTime": "2015-04-13",
"title": "libtasn1\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\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.
- 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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