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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.42% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-823, CWE-125
- Affected
- weston-embedded/uc-ftps
- Source
- talos-cna@cisco.com
References
- https://github.com/weston-embedded/uC-FTPs/pull/2Patch
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681Exploit, Mitigation, Third Party Advisory
- https://github.com/weston-embedded/uC-FTPs/pull/2Patch
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681Exploit, Mitigation, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1681
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.