Vulnerability-Lookup

CNVD-2015-05251

Vulnerability from cnvd - Published: 2015-08-14

Title

Fortinet FortiOS输入验证漏洞

Description

Fortinet FortiOS是美国飞塔（Fortinet）公司开发的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSL VPN、Web内容过滤和反垃圾邮件等多种安全功能。 Fortinet FortiOS 4.3.12及之前版本的SSL-VPN功能中存在安全漏洞，该漏洞源于程序只检查finished消息中的TLS MAC的第一个字节。远程攻击者可借助特制的MAC字段利用该漏洞伪造加密内容。

Severity

中

Patch Name

Fortinet FortiOS输入验证漏洞的补丁

Patch Description

Fortinet FortiOS是美国飞塔（Fortinet）公司开发的一套专用于FortiGate网络安全平台上的安全操作系统。该系统为用户提供防火墙、防病毒、IPSec/SSL VPN、Web内容过滤和反垃圾邮件等多种安全功能。Fortinet FortiOS 4.3.12及之前版本的SSL-VPN功能中存在安全漏洞，该漏洞源于程序只检查finished消息中的TLS MAC的第一个字节。远程攻击者可借助特制的MAC字段利用该漏洞伪造加密内容。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://www.fortiguard.com/advisory/FG-IR-15-016/

Reference

http://www.fortiguard.com/advisory/FG-IR-15-016/

Impacted products

Name
Fortinet Inc. FortiOS < 4.3.13

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2015-5965"
    }
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  "description": "Fortinet FortiOS\u662f\u7f8e\u56fd\u98de\u5854\uff08Fortinet\uff09\u516c\u53f8\u5f00\u53d1\u7684\u4e00\u5957\u4e13\u7528\u4e8eFortiGate\u7f51\u7edc\u5b89\u5168\u5e73\u53f0\u4e0a\u7684\u5b89\u5168\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e3a\u7528\u6237\u63d0\u4f9b\u9632\u706b\u5899\u3001\u9632\u75c5\u6bd2\u3001IPSec/SSL VPN\u3001Web\u5185\u5bb9\u8fc7\u6ee4\u548c\u53cd\u5783\u573e\u90ae\u4ef6\u7b49\u591a\u79cd\u5b89\u5168\u529f\u80fd\u3002\r\n\r\nFortinet FortiOS 4.3.12\u53ca\u4e4b\u524d\u7248\u672c\u7684SSL-VPN\u529f\u80fd\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u53ea\u68c0\u67e5finished\u6d88\u606f\u4e2d\u7684TLS MAC\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684MAC\u5b57\u6bb5\u5229\u7528\u8be5\u6f0f\u6d1e\u4f2a\u9020\u52a0\u5bc6\u5185\u5bb9\u3002",
  "discovererName": "Fortinet",
  "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://www.fortiguard.com/advisory/FG-IR-15-016/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-05251",
  "openTime": "2015-08-14",
  "patchDescription": "Fortinet FortiOS\u662f\u7f8e\u56fd\u98de\u5854\uff08Fortinet\uff09\u516c\u53f8\u5f00\u53d1\u7684\u4e00\u5957\u4e13\u7528\u4e8eFortiGate\u7f51\u7edc\u5b89\u5168\u5e73\u53f0\u4e0a\u7684\u5b89\u5168\u64cd\u4f5c\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u4e3a\u7528\u6237\u63d0\u4f9b\u9632\u706b\u5899\u3001\u9632\u75c5\u6bd2\u3001IPSec/SSL VPN\u3001Web\u5185\u5bb9\u8fc7\u6ee4\u548c\u53cd\u5783\u573e\u90ae\u4ef6\u7b49\u591a\u79cd\u5b89\u5168\u529f\u80fd\u3002Fortinet FortiOS 4.3.12\u53ca\u4e4b\u524d\u7248\u672c\u7684SSL-VPN\u529f\u80fd\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u53ea\u68c0\u67e5finished\u6d88\u606f\u4e2d\u7684TLS MAC\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684MAC\u5b57\u6bb5\u5229\u7528\u8be5\u6f0f\u6d1e\u4f2a\u9020\u52a0\u5bc6\u5185\u5bb9\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": "Fortinet FortiOS\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Fortinet Inc. FortiOS \u003c 4.3.13"
  },
  "referenceLink": "http://www.fortiguard.com/advisory/FG-IR-15-016/",
  "serverity": "\u4e2d",
  "submitTime": "2015-08-13",
  "title": "Fortinet FortiOS\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e"
}

CVE-2015-5965 (GCVE-0-2015-5965)

Vulnerability from cvelistv5 – Published: 2015-08-11 14:00 – Updated: 2024-08-06 07:06

Summary

The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, which makes it easier for remote attackers to spoof encrypted content via a crafted MAC field.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
http://www.securityfocus.com/bid/76065	vdb-entryx_refsource_BID
http://www.fortiguard.com/advisory/FG-IR-15-016/	x_refsource_CONFIRM
http://www.securitytracker.com/id/1033256	vdb-entryx_refsource_SECTRACK
https://security.gentoo.org/glsa/201508-01	vendor-advisoryx_refsource_GENTOO
https://vivaldi.net/en-US/blogs/entry/the-poodle-…	x_refsource_MISC

Date Public

2015-07-15 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.

Detection rules are retrieved from Rulezet.

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.

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.

Action not permitted

CNVD-2015-05251

CVE-2015-5965 (GCVE-0-2015-5965)

Tags

Sightings

Nomenclature

Related by attack behaviour