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cve[email protected]CVE-2023-39957
HistoryAug 10, 2023 - 4:15 p.m.

CVE-2023-39957

2023-08-1016:15:09
CWE-22
web.nvd.nist.gov
115
nextcloud
talk android
cve-2023-39957
security vulnerability
file writing vulnerability

7.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

3.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:H/Au:M/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

18.7%

Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into writing files outside of its intended cache directory. Nextcloud Talk Android version 17.0.0 has a patch for this issue. No known workarounds are available.

VendorProductVersionCPE
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*

7.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

3.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:H/Au:M/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

18.7%

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