cnvd - cnvd-2018-21801

CNVD-2018-21801

Vulnerability from cnvd - Published: 2018-10-25

Title

Juniper Junos OS拒绝服务漏洞（CNVD-2018-21801）

Description

Juniper Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件系统的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Junos OS中存在拒绝服务漏洞，该漏洞源于程序未能限制通过DHCP Option 50登录的订阅用户请求的IP地址。攻击者可利用该漏洞对合法的订阅用户造成拒绝服务或获取敏感信息。

Severity

中

Patch Name

Juniper Junos OS拒绝服务漏洞（CNVD-2018-21801）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10892&actp=METADATA

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-0057

Impacted products

Name
['Juniper Networks Junos OS 15.1', 'Juniper Networks Junos OS 16.1', 'Juniper Networks Junos OS 16.2', 'Juniper Networks Junos OS 17.1', 'Juniper Networks Junos OS 17.2', 'Juniper Networks Junos OS 17.3', 'Juniper Networks Junos OS 17.4', 'Juniper Networks Junos OS 18.1']

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  "number": "CNVD-2018-21801",
  "openTime": "2018-10-25",
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  "submitTime": "2018-10-19",
  "title": "Juniper Junos OS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-21801\uff09"
}

CVE-2018-0057 (GCVE-0-2018-0057)

Vulnerability from cvelistv5 – Published: 2018-10-10 18:00 – Updated: 2024-09-17 02:10

Summary

On MX Series and M120/M320 platforms configured in a Broadband Edge (BBE) environment, subscribers logging in with DHCP Option 50 to request a specific IP address will be assigned the requested IP address, even if there is a static MAC to IP address binding in the access profile. In the problem scenario, with a hardware-address and IP address configured under address-assignment pool, if a subscriber logging in with DHCP Option 50, the subscriber will not be assigned an available address from the matched pool, but will still get the requested IP address. A malicious DHCP subscriber may be able to utilize this vulnerability to create duplicate IP address assignments, leading to a denial of service for valid subscribers or unauthorized information disclosure via IP address assignment spoofing. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S2, 15.1R8; 16.1 versions prior to 16.1R4-S12, 16.1R7-S2, 16.1R8; 16.2 versions prior to 16.2R2-S7, 16.2R3; 17.1 versions prior to 17.1R2-S9, 17.1R3; 17.2 versions prior to 17.2R1-S7, 17.2R2-S6, 17.2R3; 17.3 versions prior to 17.3R2-S4, 17.3R3; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R2-S3, 18.1R3.

Severity ?

6.1 (Medium)


                        
                          CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

CWE

Information disclosure
Denial of service

Assigner

juniper

References

URL

Tags

https://kb.juniper.net/JSA10892

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Juniper Networks	Junos OS	Affected: 15.1 , < 15.1R7-S2, 15.1R8 (custom) Affected: 16.1 , < 16.1R4-S12, 16.1R7-S2, 16.1R8 (custom) Affected: 16.2 , < 16.2R2-S7, 16.2R3 (custom) Affected: 17.1 , < 17.1R2-S9, 17.1R3 (custom) Affected: 17.2 , < 17.2R1-S7, 17.2R2-S6, 17.2R3 (custom) Affected: 17.3 , < 17.3R2-S4, 17.3R3 (custom) Affected: 17.4 , < 17.4R2 (custom) Affected: 18.1 , < 18.1R2-S3, 18.1R3 (custom)

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          "dateUpdated": "2024-08-05T03:14:16.658Z",
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Sightings

Author	Source	Type	Date

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-2018-21801

CVE-2018-0057 (GCVE-0-2018-0057)

Tags

Sightings

Nomenclature