PT-2024-12738 · Unknown · Weston Embedded Uc-Tcp-Ip

Kelly Patterson · Published 2024-02-20 · Updated 2025-02-12 · CVE-2023-38562

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions Weston Embedded uC-TCP-IP version 3.06.01

Description A double-free vulnerability exists in the IP header loopback parsing functionality. This can be triggered by a specially crafted set of network packets, leading to memory corruption and potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to exploit this issue.

Recommendations For Weston Embedded uC-TCP-IP version 3.06.01, as a temporary workaround, consider restricting access to the IP header loopback parsing functionality until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2023-38562

Affected Products

Weston Embedded Uc-Tcp-Ip

References · 8

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829 · Exploit
• https://osv.dev/vulnerability/CVE-2023-38562 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-38562 · Security Note
• https://t.me/cvenotify/111104 · Telegram Post
• https://twitter.com/CVEnew/status/1759954209401627020 · Twitter Post
• https://t.me/cvenotify/71981 · Telegram Post
• https://t.me/cvenotify/72006 · Telegram Post
• https://twitter.com/cracbot/status/1760182630254006349 · Twitter Post