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HackeroneCVE-2017-0910

HistoryNov 27, 2017 - 4:29 p.m.

CVE-2017-0910

2017-11-2716:29:00

CWE-287

CWE-863

hackerone

web.nvd.nist.gov

zulip server

1.7.1

invitation system

vulnerability

cve-2017-0910

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

42.8%

JSON

In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.

Affected configurations

Nvd

Vulners

Node

zulipzulip_serverRange<1.7.1

VendorProductVersionCPE
zulipzulip_server*cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
zulip	zulip_server	*	cpe:2.3:a:zulip:zulip_server::::::::

CNA Affected

[
  {
    "product": "Zulip Server",
    "vendor": "Zulip",
    "versions": [
      {
        "status": "affected",
        "version": "before 1.7.1"
      }
    ]
  }
]

References

blog.zulip.org/2017/11/23/zulip-1-7-1-released/

github.com/zulip/zulip/commit/960d736e55cbb9386a68e4ee45f80581fd2a4e32

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

42.8%

JSON

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