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x/vulndb: potential Go vuln in github.com/lima-vm/lima: CVE-2023-32684 #1803

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GoVulnBot opened this issue May 30, 2023 · 3 comments
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excluded: EFFECTIVELY_PRIVATE This vulnerability exists in a package can be imported, but isn't meant to be outside that module.

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@GoVulnBot
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CVE-2023-32684 references github.com/lima-vm/lima, which may be a Go module.

Description:
Lima launches Linux virtual machines, typically on macOS, for running containerd. Prior to version 0.16.0, a virtual machine instance with a malicious disk image could read a single file on the host filesystem, even when no filesystem is mounted from the host. The official templates of Lima and the well-known third party products (Colima, Rancher Desktop, and Finch) are unlikely to be affected by this issue. To exploit this issue, the attacker has to embed the target file path (an absolute or a relative path from the instance directory) in a malicious disk image, as the qcow2 (or vmdk) backing file path string. As Lima refuses to run as the root, it is practically impossible for the attacker to read the entire host disk via /dev/rdiskN. Also, practically, the attacker cannot read at least the first 512 bytes (MBR) of the target file. The issue has been patched in Lima in version 0.16.0 by prohibiting using a backing file path in the VM base image.

References:

Cross references:
No existing reports found with this module or alias.

See doc/triage.md for instructions on how to triage this report.

modules:
  - module: github.com/lima-vm/lima
    packages:
      - package: lima
description: |
    Lima launches Linux virtual machines, typically on macOS, for running containerd. Prior to version 0.16.0, a virtual machine instance with a malicious disk image could read a single file on the host filesystem, even when no filesystem is mounted from the host. The official templates of Lima and the well-known third party products (Colima, Rancher Desktop, and Finch) are unlikely to be affected by this issue. To exploit this issue, the attacker has to embed the target file path (an absolute or a relative path from the instance directory) in a malicious disk image, as the qcow2 (or vmdk) backing file path string. As Lima refuses to run as the root, it is practically impossible for the attacker to read the entire host disk via `/dev/rdiskN`. Also, practically, the attacker cannot read at least the first 512 bytes (MBR) of the target file. The issue has been patched in Lima in version 0.16.0 by prohibiting using a backing file path in the VM base image.
cves:
  - CVE-2023-32684
references:
  - advisory: https://github.com/lima-vm/lima/security/advisories/GHSA-f7qw-jj9c-rpq9
  - fix: https://github.com/lima-vm/lima/commit/01dbd4d9cabe692afa4517be3995771f0ebb38a5
  - web: https://github.com/lima-vm/lima/releases/tag/v0.16.0

@tatianab tatianab self-assigned this May 31, 2023
@tatianab tatianab added the excluded: EFFECTIVELY_PRIVATE This vulnerability exists in a package can be imported, but isn't meant to be outside that module. label Jun 14, 2023
@gopherbot
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Change https://go.dev/cl/503837 mentions this issue: data/excluded: batch add 21 excluded reports

@gopherbot
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Change https://go.dev/cl/592761 mentions this issue: data/reports: unexclude 75 reports

@gopherbot
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Change https://go.dev/cl/606786 mentions this issue: data/reports: unexclude 20 reports (6)

gopherbot pushed a commit that referenced this issue Aug 20, 2024
  - data/reports/GO-2023-1785.yaml
  - data/reports/GO-2023-1793.yaml
  - data/reports/GO-2023-1795.yaml
  - data/reports/GO-2023-1800.yaml
  - data/reports/GO-2023-1801.yaml
  - data/reports/GO-2023-1803.yaml
  - data/reports/GO-2023-1804.yaml
  - data/reports/GO-2023-1806.yaml
  - data/reports/GO-2023-1808.yaml
  - data/reports/GO-2023-1809.yaml
  - data/reports/GO-2023-1819.yaml
  - data/reports/GO-2023-1827.yaml
  - data/reports/GO-2023-1828.yaml
  - data/reports/GO-2023-1829.yaml
  - data/reports/GO-2023-1831.yaml
  - data/reports/GO-2023-1849.yaml
  - data/reports/GO-2023-1850.yaml
  - data/reports/GO-2023-1851.yaml
  - data/reports/GO-2023-1852.yaml
  - data/reports/GO-2023-1853.yaml

Updates #1785
Updates #1793
Updates #1795
Updates #1800
Updates #1801
Updates #1803
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Updates #1819
Updates #1827
Updates #1828
Updates #1829
Updates #1831
Updates #1849
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Updates #1852
Updates #1853

Change-Id: Ib6fb15714358b0a9d7644d6ed43de25bdbd8434b
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/606786
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Tatiana Bradley <tatianabradley@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
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excluded: EFFECTIVELY_PRIVATE This vulnerability exists in a package can be imported, but isn't meant to be outside that module.
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