cnvd-2018-21053
Vulnerability from cnvd
Title: GnuPG安全绕过漏洞（CNVD-2018-21053）
Description:
GnuPG（GNU Privacy Guard）是GNU计划开发的一套开源的加密软件，采用GNU通用公共许可证。该软件支持公钥、对称加密、散列等算法。
GnuPG 2.2.8之前版本中的mainproc.c文件存在安全漏洞，该漏洞源于程序在解密和验证时未能正确处理原始文件名。远程攻击者可利用该漏洞伪造签名电子邮件的验证状态。
Severity: 中
Patch Name: GnuPG安全绕过漏洞（CNVD-2018-21053）的补丁
Patch Description:
GnuPG（GNU Privacy Guard）是GNU计划开发的一套开源的加密软件，采用GNU通用公共许可证。该软件支持公钥、对称加密、散列等算法。
GnuPG 2.2.8之前版本中的mainproc.c文件存在安全漏洞，该漏洞源于程序在解密和验证时未能正确处理原始文件名。远程攻击者可利用该漏洞伪造签名电子邮件的验证状态。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:
厂商已发布漏洞修复程序，请及时关注更新： https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html
Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-12020 https://www.securityfocus.com/bid/104450
Impacted products
| Name | Gnupg GnuPG <2.2.8 |
|---|
{
"bids": {
"bid": {
"bidNumber": "104450"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2018-12020"
}
},
"description": "GnuPG\uff08GNU Privacy Guard\uff09\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u5957\u5f00\u6e90\u7684\u52a0\u5bc6\u8f6f\u4ef6\uff0c\u91c7\u7528GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u3002\u8be5\u8f6f\u4ef6\u652f\u6301\u516c\u94a5\u3001\u5bf9\u79f0\u52a0\u5bc6\u3001\u6563\u5217\u7b49\u7b97\u6cd5\u3002\r\n\r\nGnuPG 2.2.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684mainproc.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u89e3\u5bc6\u548c\u9a8c\u8bc1\u65f6\u672a\u80fd\u6b63\u786e\u5904\u7406\u539f\u59cb\u6587\u4ef6\u540d\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f2a\u9020\u7b7e\u540d\u7535\u5b50\u90ae\u4ef6\u7684\u9a8c\u8bc1\u72b6\u6001\u3002",
"discovererName": "Marcus Brinkmann",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-21053",
"openTime": "2018-10-16",
"patchDescription": "GnuPG\uff08GNU Privacy Guard\uff09\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u5957\u5f00\u6e90\u7684\u52a0\u5bc6\u8f6f\u4ef6\uff0c\u91c7\u7528GNU\u901a\u7528\u516c\u5171\u8bb8\u53ef\u8bc1\u3002\u8be5\u8f6f\u4ef6\u652f\u6301\u516c\u94a5\u3001\u5bf9\u79f0\u52a0\u5bc6\u3001\u6563\u5217\u7b49\u7b97\u6cd5\u3002\r\n\r\nGnuPG 2.2.8\u4e4b\u524d\u7248\u672c\u4e2d\u7684mainproc.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u89e3\u5bc6\u548c\u9a8c\u8bc1\u65f6\u672a\u80fd\u6b63\u786e\u5904\u7406\u539f\u59cb\u6587\u4ef6\u540d\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f2a\u9020\u7b7e\u540d\u7535\u5b50\u90ae\u4ef6\u7684\u9a8c\u8bc1\u72b6\u6001\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": "GnuPG\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2018-21053\uff09\u7684\u8865\u4e01",
"products": {
"product": "Gnupg GnuPG \u003c2.2.8"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-12020\r\nhttps://www.securityfocus.com/bid/104450",
"serverity": "\u4e2d",
"submitTime": "2018-06-11",
"title": "GnuPG\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2018-21053\uff09"
}
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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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