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6.5
CVSSv3

CVE-2019-9970

Published: 24/03/2019 Updated: 07/04/2022
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
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Vulnerability Summary

Open Whisper Signal (aka Signal-Desktop) up to and including 1.23.1 and the Signal Private Messenger application up to and including 4.35.3 for Android are vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even if (for example) Latin and Cyrillic characters exist in the same domain name, and the available font has an identical representation of characters from different alphabets.

Vulnerability Trend

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signal signal-desktop

signal private messenger

References

NVD-CWE-noinfohttp://www.securityfocus.com/bid/107550https://github.com/blazeinfosec/advisories/blob/master/signal-advisory.txthttps://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-27322cross-site request forgeryunauthorizedCVE-2024-33925reflected XSSCVE-2023-51580CVE-2023-51579CVE-2015-2051CVE-2023-51609
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