---
title: "CVE-2014-0076\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2014-0076?format=md
keywords: index, follow
---

# CVE-2014-0076

Publication date 25 March 2014

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## 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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| openssl | 13.10 saucy | Fixed 1.0.1e-3ubuntu1.2 |
| 12.10 quantal | Fixed 1.0.1c-3ubuntu2.7 |
| 12.04 LTS precise | Fixed 1.0.1-4ubuntu5.12 |
| 10.04 LTS lucid | Not affected |
| openssl098 | 13.10 saucy | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2014-0076?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| openssl | * Upstream:   <http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=4b7a4ba29cafa432fc4266fe6e59e60bc1c96332> * Upstream:   <http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=40acdb192e035f463d3c39c23fd8a68cf54df378> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0076)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-0076)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-0076)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-0076)

### Related Ubuntu Security Notices (USN)

+ [USN-2165-1](https://usn.ubuntu.com/USN-2165-1)
+ OpenSSL vulnerabilities
+ 7 April 2014

### Other references

* <http://eprint.iacr.org/2014/140>
* <https://www.cve.org/CVERecord?id=CVE-2014-0076>