VulnerabilityModified
CVE-2023-38562
A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01.
CRITICAL 9.1EPSS 1.08%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 1.08% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- weston-embedded/uc-tcp-ip
- Source
- talos-cna@cisco.com
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.