High severity · published May 10, 2023
CVE-2022-46378
An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no port argument is provided to the `PORT` command.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UC
uC-FTPs · Weston Embedded
v 1.98.00 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-46378
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-46378
Patch
https://github.com/weston-embedded/uC-FTPs/pull/2
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1681
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CVE-2022-46377
An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00