From 369db75f25890189af575fec8001b339c855c54e Mon Sep 17 00:00:00 2001 From: Translator Date: Thu, 12 Feb 2026 19:48:20 +0000 Subject: [PATCH] Translated ['src/pentesting-cloud/aws-security/aws-privilege-escalation/ --- .../aws-bedrock-privesc/README.md | 113 ++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 src/pentesting-cloud/aws-security/aws-privilege-escalation/aws-bedrock-privesc/README.md diff --git a/src/pentesting-cloud/aws-security/aws-privilege-escalation/aws-bedrock-privesc/README.md b/src/pentesting-cloud/aws-security/aws-privilege-escalation/aws-bedrock-privesc/README.md new file mode 100644 index 000000000..09c26fc30 --- /dev/null +++ b/src/pentesting-cloud/aws-security/aws-privilege-escalation/aws-bedrock-privesc/README.md @@ -0,0 +1,113 @@ +# AWS - Bedrock PrivEsc + +{{#include ../../../../banners/hacktricks-training.md}} + +## Amazon Bedrock AgentCore + +### `bedrock-agentcore:StartCodeInterpreterSession` + `bedrock-agentcore:InvokeCodeInterpreter` - Code Interpreter Execution-Role Pivot + +AgentCore Code Interpreter ni mazingira ya utekelezaji yaliyosimamiwa. **Custom Code Interpreters** zinaweza kusanidiwa na **`executionRoleArn`** inayotoa “ruhusa kwa Code Interpreter kufikia huduma za AWS”. + +Kama **lower-privileged IAM principal** anaweza **start + invoke** kikao cha Code Interpreter kilichosanidiwa na **more privileged execution role**, mwitoaji anaweza kwa ufanisi **pivot into the execution role’s permissions** (lateral movement / privilege escalation kulingana na wigo wa role). + +> [!NOTE] +> Hii kwa kawaida ni tatizo la **misconfiguration / excessive permissions** (kutoa ruhusa nyingi kwa interpreter execution role na/au kutoa upatikanaji mpana wa invoke). +> AWS kwa uwazi inaonya kuepuka privilege escalation kwa kuhakikisha execution roles zina **equal or fewer** privileges kuliko vitambulisho vinavyoruhusiwa kuinvoke. + +#### Masharti ya awali (common misconfiguration) + +- Kuna **custom code interpreter** iliyopo iliyo na **execution role** yenye ruhusa nyingi sana (ex: access to sensitive S3/Secrets/SSM or IAM-admin-like capabilities). +- Mtumiaji (developer/auditor/CI identity) ana ruhusa za: +- start sessions: `bedrock-agentcore:StartCodeInterpreterSession` +- invoke tools: `bedrock-agentcore:InvokeCodeInterpreter` +- (Optional) Mtumiaji pia anaweza kuunda interpreters: `bedrock-agentcore:CreateCodeInterpreter` (inawaruhusu kuunda interpreter mpya iliyosanidiwa na execution role, kulingana na org guardrails). + +#### Recon (identify custom interpreters and execution role usage) + +Orodhesha interpreters (control-plane) na angalia usanidi wao: +```bash +aws bedrock-agentcore-control list-code-interpreters +aws bedrock-agentcore-control get-code-interpreter --code-interpreter-id +```` +> Amri create-code-interpreter inasaidia `--execution-role-arn` ambayo huainisha ruhusa za AWS ambazo interpreter atakuwa nazo. + +#### Hatua 1 - Anzisha sesi (hii inarudisha `sessionId`, si interactive shell) +```bash +SESSION_ID=$( +aws bedrock-agentcore start-code-interpreter-session \ +--code-interpreter-identifier \ +--name "arte-oussama" \ +--query sessionId \ +--output text +) + +echo "SessionId: $SESSION_ID" +``` +#### Hatua ya 2 - Kusababisha utekelezaji wa msimbo (Boto3 au HTTPS iliyosainiwa) + +Hakuna **interactive python shell** kutoka `start-code-interpreter-session`. Utekelezaji hufanyika kupitia **InvokeCodeInterpreter**. + +**Chaguo A - Mfano wa Boto3 (tekeleza Python + thibitisha utambulisho):** +```python +import boto3 + +client = boto3.client("bedrock-agentcore", region_name="") + +# Execute python inside the Code Interpreter session +resp = client.invoke_code_interpreter( +codeInterpreterIdentifier="", +sessionId="", +name="executeCode", +arguments={ +"language": "python", +"code": "import boto3; print(boto3.client('sts').get_caller_identity())" +} +) + +# Response is streamed; print events for visibility +for event in resp.get("stream", []): +print(event) +``` +Ikiwa interpreter imewekwa na execution role, matokeo ya `sts:GetCallerIdentity()` yanapaswa kuonyesha utambulisho wa role hiyo (si low-priv caller), ikithibitisha pivot. + +**Chaguo B - ombi la HTTPS lililosainiwa (awscurl):** +```bash +awscurl -X POST \ +"https://bedrock-agentcore..amazonaws.com/code-interpreters//tools/invoke" \ +-H "Content-Type: application/json" \ +-H "Accept: application/json" \ +-H "x-amzn-code-interpreter-session-id: " \ +--service bedrock-agentcore \ +--region \ +-d '{ +"name": "executeCode", +"arguments": { +"language": "python", +"code": "print(\"Hello from AgentCore\")" +} +}' +``` +#### Madhara + +* **Lateral movement** ndani ya upatikanaji wowote wa AWS ambao interpreter execution role ina. +* **Privilege escalation** ikiwa interpreter execution role ina ruhusa zaidi kuliko caller. +* Ugunduzi ni mgumu zaidi ikiwa CloudTrail data events kwa interpreter invocations hazijawezeshwa (invocations huenda zisihifadhiwe kwa kumbukumbu kwa chaguo-msingi, kulingana na usanidi). + +#### Kupunguza hatari / Kuimarisha usalama + +* **Least privilege** kwa interpreter `executionRoleArn` (itunzwe kama Lambda execution roles / CI roles). +* **Restrict who can invoke** (`bedrock-agentcore:InvokeCodeInterpreter`) na nani anaweza kuanza vikao. +* Tumia **SCPs** kuzuia InvokeCodeInterpreter isipokuwa kwa agent runtime roles zilizothibitishwa (inaweza kuhitajika utekelezaji ngazi ya shirika). +* Washa **CloudTrail data events** zinazofaa kwa AgentCore pale inapofaa; tuma onyo kwa invocations zisizotarajiwa na uundaji wa vikao. + +## Marejeleo + +- [Sonrai: AWS AgentCore privilege escalation path (SCP mitigation)](https://sonraisecurity.com/blog/aws-agentcore-privilege-escalation-bedrock-scp-fix/) +- [Sonrai: Credential exfiltration paths in AWS code interpreters (MMDS)](https://sonraisecurity.com/blog/sandboxed-to-compromised-new-research-exposes-credential-exfiltration-paths-in-aws-code-interpreters/) +- [AWS CLI: create-code-interpreter (`--execution-role-arn`)](https://docs.aws.amazon.com/cli/latest/reference/bedrock-agentcore-control/create-code-interpreter.html) +- [AWS CLI: start-code-interpreter-session (returns `sessionId`)](https://docs.aws.amazon.com/cli/latest/reference/bedrock-agentcore/start-code-interpreter-session.html) +- [AWS Dev Guide: Code Interpreter API reference examples (Boto3 + awscurl invoke)](https://docs.aws.amazon.com/bedrock-agentcore/latest/devguide/code-interpreter-api-reference-examples.html) +- [AWS Dev Guide: Security credentials management (MMDS + privilege escalation warning)](https://docs.aws.amazon.com/bedrock-agentcore/latest/devguide/security-credentials-management.html) + + +{{#include ../../../../banners/hacktricks-training.md}}