Vulnerability identifier: #VU98826

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-43577

CWE-ID: CWE-450

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when handling extension's popups. A remote attacker can trick the victim into visiting a specially crafted webpage, show an extension's popup over a permission prompt or screen share dialog, which allows the extension to spoof parts of the prompt's UI that show origin.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 79.0.3945.130, 83.0.478.37, 84.0.522.40, 86.0.622.43 - 86.0.622.69, 87.0.664.41 - 87.0.664.75, 88.0.705.50 - 88.0.705.81, 89.0.774.45 - 89.0.774.77, 90.0.818.39 - 90.0.818.66, 91.0.864.37 - 91.0.864.71, 92.0.902.55 - 92.0.902.84, 93.0.961.38 - 93.0.961.52, 94.0.992.31 - 94.0.992.58, 95.0.1020.30 - 95.0.1020.53, 96.0.1054.29 - 96.0.1054.75, 97.0.1072.55 - 97.0.1072.76, 98.0.1108.43 - 98.0.1108.92, 99.0.1150.30 - 99.0.1150.55, 100.0.1185.29 - 100.0.1185.60, 101.0.1210.32 - 101.0.1210.53, 102.0.1245.30 - 102.0.1245.62, 103.0.1264.37 - 103.0.1264.77, 104.0.1293.47 - 104.0.1293.91, 105.0.1343.25 - 105.0.1343.53, 106.0.1370.34 - 106.0.1370.86, 107.0.1418.24 - 107.0.1418.62, 108.0.1293.81 - 108.0.1462.95, 109.0.1343.27 - 109.0.1518.140, 110.0.1587.41 - 110.0.1587.78, 111.0.1661.41 - 111.0.1661.62, 112.0.1722.34 - 112.0.1722.84, 113.0.1774.35 - 113.0.1774.57, 114.0.1823.37 - 114.0.1901.183, 115.0.1901.183 - 115.0.1901.203, 116.0.1938.54 - 116.0.1938.98, 117.0.2045.31 - 117.0.2045.60, 118.0.2088.46 - 118.0.2088.122, 119.0.2151.44 - 119.0.2151.97, 120.0.2210.61 - 120.0.2336.0, 121.0.2277.83 - 121.0.2277.128, 122.0.2365.52 - 122.0.2365.120, 123.0.2420.53 - 123.0.2420.97, 124.0.2478.51 - 124.0.2478.131, 125.0.2535.51 - 125.0.2535.92, 126.0.2592.56 - 126.0.2592.137, 127.0.2651.74 - 127.0.2651.105, 128.0.2739.42 - 128.0.2739.113, 129.0.2792.52 - 129.0.2792.89

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External links
http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43577

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.