CNVD-2016-02207
Vulnerability from cnvd - Published: 2016-04-15
VLAI
Title
QEMU拒绝服务漏洞（CNVD-2016-02207）
Description
QEMU是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。
QEMU的net/checksum.c文件中的‘net_checksum_calculate’函数存在安全漏洞，攻击者可借助特制数据包中的负载长度，利用该漏洞造成拒绝服务（越边界堆读取和崩溃）。
Severity
中
Patch Name
QEMU拒绝服务漏洞的补丁
Patch Description
QEMU是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。
QEMU的net/checksum.c文件中的‘net_checksum_calculate’函数存在安全漏洞，攻击者可借助特制数据包中的负载长度，利用该漏洞造成拒绝服务（越边界堆读取和崩溃）。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.qemu.org/?p=qemu.git;a=commitdiff;h=362786f14a753d8a5256ef97d7c10ed576d6572b
Reference
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=362786f14a753d8a5256ef97d7c10ed576d6572b
http://www.openwall.com/lists/oss-security/2016/03/07/3
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=362786f14a753d8a5256ef97d7c10ed576d6572b
Impacted products
| Name | QEMU QEMU |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-2857"
}
},
"description": "QEMU\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU\u7684net/checksum.c\u6587\u4ef6\u4e2d\u7684\u0026lsquo;net_checksum_calculate\u0026rsquo;\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u6570\u636e\u5305\u4e2d\u7684\u8d1f\u8f7d\u957f\u5ea6\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u5806\u8bfb\u53d6\u548c\u5d29\u6e83\uff09\u3002",
"discovererName": "Ling Liu of Qihoo 360 Inc.",
"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.qemu.org/?p=qemu.git;a=commitdiff;h=362786f14a753d8a5256ef97d7c10ed576d6572b",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-02207",
"openTime": "2016-04-15",
"patchDescription": "QEMU\u662f\u6cd5\u56fd\u7a0b\u5e8f\u5458\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU\u7684net/checksum.c\u6587\u4ef6\u4e2d\u7684\u0026lsquo;net_checksum_calculate\u0026rsquo;\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u6570\u636e\u5305\u4e2d\u7684\u8d1f\u8f7d\u957f\u5ea6\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u5806\u8bfb\u53d6\u548c\u5d29\u6e83\uff09\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": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "QEMU QEMU"
},
"referenceLink": "http://git.qemu.org/?p=qemu.git;a=commitdiff;h=362786f14a753d8a5256ef97d7c10ed576d6572b\t\r\nhttp://www.openwall.com/lists/oss-security/2016/03/07/3\t\r\nhttp://git.qemu.org/?p=qemu.git;a=commitdiff;h=362786f14a753d8a5256ef97d7c10ed576d6572b",
"serverity": "\u4e2d",
"submitTime": "2016-04-14",
"title": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-02207\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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