cnvd-2018-24165
Vulnerability from cnvd
Title: Libgcrypt信息泄露漏洞
Description:
Libgcrypt是GNU计划开发的一个基于GnuPG代码的通用加密库。该库实现了各种加密算法，包括对称密码、哈希算法、公开密钥算法等。
Libgcrypt中存在安全漏洞。攻击者可通过访问本地设备或同一物理主机上的其他虚拟设备利用该漏洞实施边信道攻击，获取ECDSA密钥。
Severity: 低
Patch Name: Libgcrypt信息泄露漏洞的补丁
Patch Description:
Libgcrypt是GNU计划开发的一个基于GnuPG代码的通用加密库。该库实现了各种加密算法，包括对称密码、哈希算法、公开密钥算法等。
Libgcrypt中存在安全漏洞。攻击者可通过访问本地设备或同一物理主机上的其他虚拟设备利用该漏洞实施边信道攻击，获取ECDSA密钥。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:
目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html
Reference: https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html
Impacted products
| Name | ['GNU Libgcrypt <1.7.10', 'GNU Libgcrypt 1.8.*;<1.8.3'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2018-0495",
"cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0495"
}
},
"description": "Libgcrypt\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eGnuPG\u4ee3\u7801\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\u8be5\u5e93\u5b9e\u73b0\u4e86\u5404\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u516c\u5f00\u5bc6\u94a5\u7b97\u6cd5\u7b49\u3002\n\nLibgcrypt\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bbf\u95ee\u672c\u5730\u8bbe\u5907\u6216\u540c\u4e00\u7269\u7406\u4e3b\u673a\u4e0a\u7684\u5176\u4ed6\u865a\u62df\u8bbe\u5907\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bd\u8fb9\u4fe1\u9053\u653b\u51fb\uff0c\u83b7\u53d6ECDSA\u5bc6\u94a5\u3002",
"discovererName": "unknown",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-24165",
"openTime": "2018-11-22",
"patchDescription": "Libgcrypt\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eGnuPG\u4ee3\u7801\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\u8be5\u5e93\u5b9e\u73b0\u4e86\u5404\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u516c\u5f00\u5bc6\u94a5\u7b97\u6cd5\u7b49\u3002\r\n\r\nLibgcrypt\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8bbf\u95ee\u672c\u5730\u8bbe\u5907\u6216\u540c\u4e00\u7269\u7406\u4e3b\u673a\u4e0a\u7684\u5176\u4ed6\u865a\u62df\u8bbe\u5907\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bd\u8fb9\u4fe1\u9053\u653b\u51fb\uff0c\u83b7\u53d6ECDSA\u5bc6\u94a5\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": "Libgcrypt\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"GNU Libgcrypt \u003c1.7.10",
"GNU Libgcrypt 1.8.*;\u003c1.8.3"
]
},
"referenceLink": "https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html",
"serverity": "\u4f4e",
"submitTime": "2018-06-19",
"title": "Libgcrypt\u4fe1\u606f\u6cc4\u9732\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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