Paper/Archive/CVE-2023-38562

CVE-2023-38562

Weston Embedded uC-TCP-IP — A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01.

EPSS 1%public exploit CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (NVD)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 65.1.651 × 2013.0 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.

Affected

ProductAffectedFixed inSource

uC-TCP-IPv3.06.01–CNA

uc-tcp-ip3.06.01–CISA-ADP

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

talos (CNA)8.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H

CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

reftalosintelligence.com/vulnerability_reports/TALOS-2023-1829 reftalosintelligence.com/vulnerability_reports/TALOS-2023-1829