Vulnerability-Lookup

CNVD-2015-07530

Vulnerability from cnvd - Published: 2015-11-13

Title

MIT krb5 lib/gssapi/krb5/iakerb.c拒绝服务漏洞

Description

Kerberos是一款广泛使用的超强加密来验证客户端和服务器端的网络协议。 MIT krb5 lib/gssapi/krb5/iakerb.c存在拒绝服务漏洞。远程攻击者通过构造的IAKERB报文，利用该漏洞可造成指针读错误、进程崩溃，造成拒绝服务。

Severity

高

Patch Name

MIT krb5 lib/gssapi/krb5/iakerb.c拒绝服务漏洞的补丁

Patch Description

Kerberos是一款广泛使用的超强加密来验证客户端和服务器端的网络协议。 MIT krb5 lib/gssapi/krb5/iakerb.c存在拒绝服务漏洞。远程攻击者通过构造的IAKERB报文，利用该漏洞可造成指针读错误、进程崩溃，造成拒绝服务。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这个安全问题，请到厂商的主页下载： http://krbdev.mit.edu/rt/Ticket/Display.html?id=8244

Reference

http://www.linuxidc.com/Linux/2015-11/125003.htm

Impacted products

Name
MIT Kerberos 5 <1.14

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2696"
    }
  },
  "description": "Kerberos\u662f\u4e00\u6b3e\u5e7f\u6cdb\u4f7f\u7528\u7684\u8d85\u5f3a\u52a0\u5bc6\u6765\u9a8c\u8bc1\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u7684\u7f51\u7edc\u534f\u8bae\u3002\r\n\r\nMIT krb5 lib/gssapi/krb5/iakerb.c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u6784\u9020\u7684IAKERB\u62a5\u6587\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u9020\u6210\u6307\u9488\u8bfb\u9519\u8bef\u3001\u8fdb\u7a0b\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "ghudson",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://krbdev.mit.edu/rt/Ticket/Display.html?id=8244",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07530",
  "openTime": "2015-11-13",
  "patchDescription": "Kerberos\u662f\u4e00\u6b3e\u5e7f\u6cdb\u4f7f\u7528\u7684\u8d85\u5f3a\u52a0\u5bc6\u6765\u9a8c\u8bc1\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u7684\u7f51\u7edc\u534f\u8bae\u3002\r\nMIT krb5 lib/gssapi/krb5/iakerb.c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u6784\u9020\u7684IAKERB\u62a5\u6587\uff0c\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u9020\u6210\u6307\u9488\u8bfb\u9519\u8bef\u3001\u8fdb\u7a0b\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\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 krb5 lib/gssapi/krb5/iakerb.c\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "MIT Kerberos 5 \u003c1.14"
  },
  "referenceLink": "http://www.linuxidc.com/Linux/2015-11/125003.htm",
  "serverity": "\u9ad8",
  "submitTime": "2015-11-12",
  "title": "MIT krb5 lib/gssapi/krb5/iakerb.c\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-2696 (GCVE-0-2015-2696)

Vulnerability from cvelistv5 – Published: 2015-11-09 02:00 – Updated: 2024-08-06 05:24

Summary

lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted IAKERB packet that is mishandled during a gss_inquire_context call.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

10 references

URL	Tags
https://github.com/krb5/krb5/commit/e04f0283516e8…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201611-14	vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/90675	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1034084	vdb-entryx_refsource_SECTRACK
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8244	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.debian.org/security/2015/dsa-3395	vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2810-1	vendor-advisoryx_refsource_UBUNTU

Date Public

2015-10-26 00:00

Show details on NVD website

JSON

To clipboard

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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.

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.
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CNVD-2015-07530

CVE-2015-2696 (GCVE-0-2015-2696)

Tags

Sightings

Nomenclature

Related by attack behaviour