USN-4236-3: Libgcrypt vulnerability

Published Jan 28, 2020
·
Updated

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.

Affected Software

5 affected componentsFixes available
ubuntu/libgcrypt20
All of the following
ubuntu/libgcrypt11<1.5.3-2ubuntu4.6+esm1
1.5.3-2ubuntu4.6+esm1
Ubuntu Ubuntu=14.04
All of the following
ubuntu/libgcrypt11<1.5.0-3ubuntu0.9
1.5.0-3ubuntu0.9
Ubuntu Ubuntu=12.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/libgcrypt11 to a version that resolves this vulnerability.

    Fixed in 1.5.3-2ubuntu4.6+esm1
  2. Upgrade

    Upgrade ubuntu/libgcrypt11 to a version that resolves this vulnerability.

    Fixed in 1.5.0-3ubuntu0.9
  3. Upgrade

    Upgrade Libgcrypt to a version that resolves this vulnerability.

    Patch USN-4236-3

Event History

Jan 28, 2020
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID of this advisory?

The vulnerability ID of this advisory is USN-4236-3.

2

What is the title of this advisory?

The title of this advisory is 'USN-4236-3: Libgcrypt vulnerability'.

3

What is the affected software?

The affected software is Libgcrypt version 1.5.3-2ubuntu4.6+esm1 on Ubuntu 12.04 ESM and Libgcrypt version 1.5.0-3ubuntu0.9 on Ubuntu 14.04.

4

What is the fix for this vulnerability?

The fix for this vulnerability is to update Libgcrypt to version 1.5.3-2ubuntu4.6+esm1 on Ubuntu 12.04 ESM and version 1.5.0-3ubuntu0.9 on Ubuntu 14.04.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability at the following references: 1) [CVE-2019-13627](https://ubuntu.com/security/CVE-2019-13627), 2) [USN-4236-2](https://ubuntu.com/security/notices/USN-4236-2), 3) [USN-4236-1](https://ubuntu.com/security/notices/USN-4236-1).

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