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Stack-based Buffer Overflow

CVE-2024-7254

Severity High
Score 7.5/10

Summary

Any project that parses untrusted Protocol Buffers data containing an arbitrary number of nested groups/series of SGROUP tags can corrupted by exceeding the stack limit i.e. StackOverflow. Parsing nested groups as unknown fields with DiscardUnknownFieldsParser or Java Protobuf Lite parser, or against Protobuf map fields, creates unbounded recursions that an attacker can abuse. This issue affects version prior to 3.25.5, 4.0.x prior to 4.27.5, 4.28.x prior to 4.28.2.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-121 - Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Advisory Timeline

  • Published