CVE-2019-13627: Medium severity Canonical Ubuntu Linux vulnerability

Published Sep 25, 2019
·
Updated

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

Affected Software

21 affected componentsFixes available
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.04
Canonical Ubuntu Linux=19.10
openSUSE Leap=15.0
openSUSE Leap=15.1
All of the following
Libgcrypt20 Project Libgcrypt20=1.6.3-2\+deb8u4
Debian Debian Linux=8.0
All of the following
Libgcrypt20 Project Libgcrypt20=1.7.6-2\+deb9u3
Debian Debian Linux=9.0
All of the following
Libgcrypt20 Project Libgcrypt20=1.8.4-5
Debian Debian Linux=10.0
Libgcrypt20 Project Libgcrypt20=1.6.3-2\+deb8u4
Debian Debian Linux=8.0
Libgcrypt20 Project Libgcrypt20=1.7.6-2\+deb9u3
Debian Debian Linux=9.0
Libgcrypt20 Project Libgcrypt20=1.8.4-5
Debian Debian Linux=10.0
debian/libgcrypt20
1.8.7-61.10.1-31.11.0-71.11.2-3

Event History

Sep 25, 2019
CVE Published
via MITRE·02:44 PM
Data Sourced
via MITRE·02:44 PM
Description
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:17 PM
Description
Feb 20, 2026
Data Sourced
via Debian·11:02 PM
DescriptionAffected Software
Data Sourced
via Ubuntu·11:03 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2019-13627?

CVE-2019-13627 refers to a ECDSA timing attack vulnerability in the libgcrypt20 cryptographic library.

2

How severe is CVE-2019-13627?

CVE-2019-13627 has a severity value of 6.3, which is considered medium.

3

Which versions of libgcrypt20 are affected by CVE-2019-13627?

Versions 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4 of libgcrypt20 are affected by CVE-2019-13627.

4

How can I fix CVE-2019-13627?

To fix CVE-2019-13627, update to version 1.8.5-2 or 1.6.3-2+deb8u7 of libgcrypt20.

5

Where can I find more information about CVE-2019-13627?

You can find more information about CVE-2019-13627 at the following references: [Link 1](https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5), [Link 2](https://security-tracker.debian.org/tracker/CVE-2019-13627), [Link 3](https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html).

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