CNVD-2016-02678
Vulnerability from cnvd - Published: 2016-05-04
VLAI
Title
OpenSSL EVP_EncodeUpdate溢出漏洞（CNVD-2016-02678）
Description
OpenSSL是一个实现安全套接层和安全传输层协议的通用开源加密库，可支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。
OpenSSL EVP_EncodeUpdate()存在溢出漏洞。攻击者利用漏洞可输入大量数据，导致长度检查时发生堆破坏溢出。
Severity
中
Patch Name
OpenSSL EVP_EncodeUpdate溢出漏洞（CNVD-2016-02678）的补丁
Patch Description
OpenSSL是一个实现安全套接层和安全传输层协议的通用开源加密库，可支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。
OpenSSL EVP_EncodeUpdate()存在溢出漏洞。攻击者利用漏洞可输入大量数据，导致长度检查时发生堆破坏溢出。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
厂商已发布升级程序修复该漏洞，请及时下载更新： https://www.openssl.org/news/vulnerabilities.html
Reference
https://www.openssl.org/news/secadv/20160503.txt
Impacted products
| Name | ['Openssl Openssl 1.0.1', 'OpenSSL OpenSSL 1.0.2'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-2106"
}
},
"description": "OpenSSL\u662f\u4e00\u4e2a\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u5f00\u6e90\u52a0\u5bc6\u5e93\uff0c\u53ef\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002 \r\n\r\nOpenSSL EVP_EncodeUpdate()\u5b58\u5728\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u53ef\u8f93\u5165\u5927\u91cf\u6570\u636e\uff0c\u5bfc\u81f4\u957f\u5ea6\u68c0\u67e5\u65f6\u53d1\u751f\u5806\u7834\u574f\u6ea2\u51fa\u3002",
"discovererName": "Guido Vranken",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u6f0f\u6d1e\uff0c\u8bf7\u53ca\u65f6\u4e0b\u8f7d\u66f4\u65b0\uff1a\r\nhttps://www.openssl.org/news/vulnerabilities.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-02678",
"openTime": "2016-05-04",
"patchDescription": "OpenSSL\u662f\u4e00\u4e2a\u5b9e\u73b0\u5b89\u5168\u5957\u63a5\u5c42\u548c\u5b89\u5168\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u901a\u7528\u5f00\u6e90\u52a0\u5bc6\u5e93\uff0c\u53ef\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u5b89\u5168\u6563\u5217\u7b97\u6cd5\u7b49\u3002 \r\n\r\nOpenSSL EVP_EncodeUpdate()\u5b58\u5728\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u53ef\u8f93\u5165\u5927\u91cf\u6570\u636e\uff0c\u5bfc\u81f4\u957f\u5ea6\u68c0\u67e5\u65f6\u53d1\u751f\u5806\u7834\u574f\u6ea2\u51fa\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": "OpenSSL EVP_EncodeUpdate\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2016-02678\uff09\u7684\u8865\u4e01",
"products": {
"product": [
"Openssl Openssl 1.0.1",
"OpenSSL OpenSSL 1.0.2"
]
},
"referenceLink": "https://www.openssl.org/news/secadv/20160503.txt",
"serverity": "\u4e2d",
"submitTime": "2016-05-04",
"title": "OpenSSL EVP_EncodeUpdate\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2016-02678\uff09"
}
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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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