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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.48%). 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 IP address 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
- 1.48% probability · 72th 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.