CVSS 3.1 Score 9.8 of 10 (high)


Published Oct 18, 2023
Updated: Apr 1, 2024
CWE ID 787


CVE-2023-38545 is a critical vulnerability that affects multiple products including t5UtEZ, t5UtEb, t5UtEa, and many others. This vulnerability allows an attacker to overflow a heap based buffer in the SOCKS5 proxy handshake when curl is asked to pass along a host name longer than 255 bytes. As a result, the wrong value can be copied to the target buffer instead of just the resolved address. This poses a high danger to organizations as it can be exploited remotely without requiring any privileges or user interaction. The severity of this vulnerability is rated as critical with a base score of 9.8 according to NIST's CVSS system. It is important for affected organizations to apply appropriate patches or updates to remediate this vulnerability and ensure the security of their systems and data.

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