AutoGPT is a platform that allows users to create, deploy, and manage continuous artificial intelligence agents that automate complex workflows. The autogpt before 0.6.32 is vulnerable to Regular Expression Denial of Service due to the use of regex at Code Extraction Block. The two Regex are used containing the corresponding dangerous patterns s+[sS]? and s+(.?). They share a common characteristic — the combination of two adjacent quantifiers that can match the same space character (s). As a result, an attacker can supply a long sequence of space characters to trigger excessive regex backtracking, potentially leading to a Denial of Service (DoS). This vulnerability is fixed in 0.6.32.
Weakness
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Autogpt_platform | Agpt | 0.4.0 (including) | 0.6.32 (excluding) |
Extended Description
Attackers can create crafted inputs that
intentionally cause the regular expression to use
excessive backtracking in a way that causes the CPU
consumption to spike.
Potential Mitigations
Related Attack Patterns
References
- https://github.com/Significant-Gravitas/AutoGPT/blob/master/autogpt_platform/backend/backend/blocks/code_extraction_block.py#L106-L109
- https://github.com/Significant-Gravitas/AutoGPT/blob/master/autogpt_platform/backend/backend/blocks/code_extraction_block.py#L86-L96
- https://github.com/Significant-Gravitas/AutoGPT/commit/57a06f70883ce6be18738c6ae8bb41085c71e266
- https://github.com/Significant-Gravitas/AutoGPT/releases/tag/autogpt-platform-beta-v0.6.32
- https://github.com/Significant-Gravitas/AutoGPT/security/advisories/GHSA-m2wr-7m3r-p52c