CVE-2023-45236: Predictable Tcp Isn

Predictable TCP Initial Sequence Number (ISN) generation detected. Generate ISNs using a cryptographically secure pseudo-random number generator (CSPRNG) or a secure hash that incorporates connection parameters and a secret key, as recommended by RFC 9293. Incrementing a variable to compute the ISN makes it predictable, rendering the stack susceptible to TCP

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0Cβ
greprules fetch cve-2023-45236-predictable-tcp-isn --engine opengrep

Description

Predictable TCP Initial Sequence Number (ISN) generation detected. Generate ISNs using a cryptographically secure pseudo-random number generator (CSPRNG) or a secure hash that incorporates connection parameters and a secret key, as recommended by RFC 9293. Incrementing a variable to compute the ISN makes it predictable, rendering the stack susceptible to TCP