CNVD-2018-24165
Vulnerability from cnvd - Published: 2018-11-22
VLAI
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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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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