Vulnerability-Lookup

CNVD-2017-05502

Vulnerability from cnvd - Published: 2017-04-27

Title

BackBox Linux拒绝服务漏洞

Description

BackBox是基于Ubuntu的Linux发行版，它是一款用于网络渗透测试及安全评估的操作系统。 BackBox Linux 4.6版本存在拒绝服务漏洞，允许远程攻击者通过大量带有火星源IP地址的数据包（如RFC 1812第5.3.7节定义）导致拒绝服务（ksoftirqd CPU消耗）。

Severity

中

Patch Name

BackBox Linux拒绝服务漏洞的补丁

Patch Description

BackBox是基于Ubuntu的Linux发行版，它是一款用于网络渗透测试及安全评估的操作系统。 BackBox Linux 4.6版本存在拒绝服务漏洞，允许远程攻击者通过大量带有火星源IP地址的数据包（如RFC 1812第5.3.7节定义）导致拒绝服务（ksoftirqd CPU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: https://www.exploit-db.com/exploits/41781/

Reference

https://cxsecurity.com/issue/WLB-2017040001

Impacted products

Name
BackBox BackBox OS 4.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7397",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7397"
    }
  },
  "description": "BackBox\u662f\u57fa\u4e8eUbuntu\u7684Linux\u53d1\u884c\u7248\uff0c\u5b83\u662f\u4e00\u6b3e\u7528\u4e8e\u7f51\u7edc\u6e17\u900f\u6d4b\u8bd5\u53ca\u5b89\u5168\u8bc4\u4f30\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nBackBox Linux 4.6\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u5927\u91cf\u5e26\u6709\u706b\u661f\u6e90IP\u5730\u5740\u7684\u6570\u636e\u5305\uff08\u5982RFC 1812\u7b2c5.3.7\u8282\u5b9a\u4e49\uff09\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08ksoftirqd CPU\u6d88\u8017\uff09\u3002",
  "discovererName": "FarazPajohan",
  "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:\r\nhttps://www.exploit-db.com/exploits/41781/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05502",
  "openTime": "2017-04-27",
  "patchDescription": "BackBox\u662f\u57fa\u4e8eUbuntu\u7684Linux\u53d1\u884c\u7248\uff0c\u5b83\u662f\u4e00\u6b3e\u7528\u4e8e\u7f51\u7edc\u6e17\u900f\u6d4b\u8bd5\u53ca\u5b89\u5168\u8bc4\u4f30\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nBackBox Linux 4.6\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u5927\u91cf\u5e26\u6709\u706b\u661f\u6e90IP\u5730\u5740\u7684\u6570\u636e\u5305\uff08\u5982RFC 1812\u7b2c5.3.7\u8282\u5b9a\u4e49\uff09\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08ksoftirqd CPU\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": "BackBox Linux\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "BackBox BackBox OS 4.6"
  },
  "referenceLink": "https://cxsecurity.com/issue/WLB-2017040001",
  "serverity": "\u4e2d",
  "submitTime": "2017-04-05",
  "title": "BackBox Linux\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-7397 (GCVE-0-2017-7397)

Vulnerability from cvelistv5 – Published: 2017-04-03 20:00 – Updated: 2024-08-05 16:04 Disputed

Summary

BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default. NOTE: the vendor reports "It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

5 references

URL	Tags
http://www.exploitalert.com/view-details.html?id=26361	x_refsource_MISC
https://backbox.org/portal/blog/false-cve-backbox…	x_refsource_MISC
https://cxsecurity.com/issue/WLB-2017040001	x_refsource_MISC
https://forum.backbox.org/security-advisories/wai…	x_refsource_MISC
https://www.exploit-db.com/exploits/41781/	exploitx_refsource_EXPLOIT-DB

Date Public

2017-04-03 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.

Action not permitted

CNVD-2017-05502

CVE-2017-7397 (GCVE-0-2017-7397)

Tags

Sightings

Nomenclature