CNVD-2016-01136
Vulnerability from cnvd - Published: 2016-02-19
VLAI
Title
MIT Kerberos 5 kadmind内存泄露漏洞
Description
MIT Kerberos 5(又名krb5)是美国麻省理工学院(MIT)开发的一套网络认证协议,它采用客户端/服务器结构,并且客户端和服务器端均可对对方进行身份认证(即双重验证),可防止窃听、防止replay攻击等。
MIT Kerberos 5 1.13.4之前版本和1.14.1之前1.14.x版本的kadmind服务程序中的kadmin/server/server_stubs.c文件中存在内存泄露漏洞。远程攻击者可通过发送指定空主体名的请求利用该漏洞造成拒绝服务(内存消耗)。
Severity
中
Patch Name
MIT Kerberos 5 kadmind内存泄露漏洞的补丁
Patch Description
MIT Kerberos 5(又名krb5)是美国麻省理工学院(MIT)开发的一套网络认证协议,它采用客户端/服务器结构,并且客户端和服务器端均可对对方进行身份认证(即双重验证),可防止窃听、防止replay攻击等。
MIT Kerberos 5 1.13.4之前版本和1.14.1之前1.14.x版本的kadmind服务程序中的kadmin/server/server_stubs.c文件中存在内存泄露漏洞。远程攻击者可通过发送指定空主体名的请求利用该漏洞造成拒绝服务(内存消耗)。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://krbdev.mit.edu/rt/Ticket/Display.html?id=8343
Reference
https://github.com/krb5/krb5/commit/83ed75feba32e46f736fcce0d96a0445f29b96c2
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8343
Impacted products
| Name | ['MIT Kerberos 5 <1.13.4', 'MIT Kerberos 5 1.14.x(<1.14.1)'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2015-8631"
}
},
"description": "MIT Kerberos 5\uff08\u53c8\u540dkrb5\uff09\u662f\u7f8e\u56fd\u9ebb\u7701\u7406\u5de5\u5b66\u9662\uff08MIT\uff09\u5f00\u53d1\u7684\u4e00\u5957\u7f51\u7edc\u8ba4\u8bc1\u534f\u8bae\uff0c\u5b83\u91c7\u7528\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u7ed3\u6784\uff0c\u5e76\u4e14\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u5747\u53ef\u5bf9\u5bf9\u65b9\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff08\u5373\u53cc\u91cd\u9a8c\u8bc1\uff09\uff0c\u53ef\u9632\u6b62\u7a83\u542c\u3001\u9632\u6b62replay\u653b\u51fb\u7b49\u3002\r\n\r\nMIT Kerberos 5 1.13.4\u4e4b\u524d\u7248\u672c\u548c1.14.1\u4e4b\u524d1.14.x\u7248\u672c\u7684kadmind\u670d\u52a1\u7a0b\u5e8f\u4e2d\u7684kadmin/server/server_stubs.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u6307\u5b9a\u7a7a\u4e3b\u4f53\u540d\u7684\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u6d88\u8017\uff09\u3002",
"discovererName": "ghudson@mit.edu",
"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://krbdev.mit.edu/rt/Ticket/Display.html?id=8343",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-01136",
"openTime": "2016-02-19",
"patchDescription": "MIT Kerberos 5\uff08\u53c8\u540dkrb5\uff09\u662f\u7f8e\u56fd\u9ebb\u7701\u7406\u5de5\u5b66\u9662\uff08MIT\uff09\u5f00\u53d1\u7684\u4e00\u5957\u7f51\u7edc\u8ba4\u8bc1\u534f\u8bae\uff0c\u5b83\u91c7\u7528\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u7ed3\u6784\uff0c\u5e76\u4e14\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u5747\u53ef\u5bf9\u5bf9\u65b9\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff08\u5373\u53cc\u91cd\u9a8c\u8bc1\uff09\uff0c\u53ef\u9632\u6b62\u7a83\u542c\u3001\u9632\u6b62replay\u653b\u51fb\u7b49\u3002\r\n\r\nMIT Kerberos 5 1.13.4\u4e4b\u524d\u7248\u672c\u548c1.14.1\u4e4b\u524d1.14.x\u7248\u672c\u7684kadmind\u670d\u52a1\u7a0b\u5e8f\u4e2d\u7684kadmin/server/server_stubs.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u6307\u5b9a\u7a7a\u4e3b\u4f53\u540d\u7684\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u6d88\u8017\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": "MIT Kerberos 5 kadmind\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"MIT Kerberos 5 \u003c1.13.4",
"MIT Kerberos 5 1.14.x(\u003c1.14.1)"
]
},
"referenceLink": "https://github.com/krb5/krb5/commit/83ed75feba32e46f736fcce0d96a0445f29b96c2\r\nhttp://krbdev.mit.edu/rt/Ticket/Display.html?id=8343",
"serverity": "\u4e2d",
"submitTime": "2016-02-18",
"title": "MIT Kerberos 5 kadmind\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e"
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
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.
Loading…
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.