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HackeroneCVE-2018-3781

HistoryAug 13, 2018 - 7:29 p.m.

CVE-2018-3781

2018-08-1319:29:01

CWE-79

hackerone

web.nvd.nist.gov

nextcloud

talk

3.2.5

sanitization

xss

user-interaction

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.001

Percentile

22.7%

JSON

A missing sanitization of search results for an autocomplete field in NextCloud Talk <3.2.5 could lead to a stored XSS requiring user-interaction. The missing sanitization only affected user names, hence malicious search results could only be crafted by authenticated users.

Affected configurations

Nvd

Vulners

Node

nextcloudtalkRange<3.2.5

VendorProductVersionCPE
nextcloudtalk*cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	talk	*	cpe:2.3:a:nextcloud:talk::::::::

CNA Affected

[
  {
    "product": "nextcloud/talk",
    "vendor": "NextCloud",
    "versions": [
      {
        "status": "affected",
        "version": ">=3.2.5"
      }
    ]
  }
]

References

hackerone.com/reports/383117

nextcloud.com/security/advisory/?id=NC-SA-2018-009

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.001

Percentile

22.7%

JSON

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