Denial of service in Dropbox Lepton



Published: 2022-11-25
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2022-4104
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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lepton
Other software / Other software solutions

Vendor Dropbox

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU69609

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-4104

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can use a specially crafted JPEG file and perform a denial of service (DoS) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

lepton: 1.0 - 1.2.1

External links

http://www.tenable.com/security/research/tra-2022-35
http://github.com/dropbox/lepton/issues/158


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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



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