CVE-2019-13627 Weak cryptography in n/a
Medium 6.3
Published
Updated
Check this codebase for CVE-2019-13627 and fix it if it is affected.
What it is: CVE-2019-13627 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 25 Sep 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-13627 in the wild and no public exploit code.
Affected product: Canonical Ubuntu Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2019-13627/ (Markdown: https://insights.sbomify.com/CVE-2019-13627/index.md)
An attacker can exploit a timing side-channel in libgcrypt's ECDSA implementation to potentially recover private keys.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-13627?
CVE-2019-13627 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 25 Sep 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-203
Which versions are affected by CVE-2019-13627?
It affects 3 products.
Linux distribution packages (31)
libgcrypt Red Hat:enterprise_linux:8::baseos | All versions | 0:1.8.5-4.el8 |
libgcrypt-debuginfo Red Hat:enterprise_linux:8::baseos | All versions | 0:1.8.5-4.el8 |
libgcrypt-debugsource Red Hat:enterprise_linux:8::baseos | All versions | 0:1.8.5-4.el8 |
libgcrypt-devel Red Hat:enterprise_linux:8::baseos | All versions | 0:1.8.5-4.el8 |
libgcrypt-devel-debuginfo Red Hat:enterprise_linux:8::baseos | All versions | 0:1.8.5-4.el8 |
libgcrypt Rocky Linux:8 | All versions | 0:1.8.5-4.el8 |
libgcrypt SUSE:Enterprise Storage 4 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Enterprise Storage 5 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:HPE Helion OpenStack 8 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Desktop 12 SP4 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Module for Basesystem 15 | All versions | 1.8.2-6.20.1 |
libgcrypt SUSE:Linux Enterprise Module for Basesystem 15 SP1 | All versions | 1.8.2-8.12.1 |
libgcrypt SUSE:Linux Enterprise Server 12 SP1-LTSS | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server 12 SP2-LTSS | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server 12 SP3-BCL | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server 12 SP3-LTSS | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server 12 SP4 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server 12 SP5 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server for SAP Applications 12 SP1 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Software Development Kit 12 SP4 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:OpenStack Cloud 7 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:OpenStack Cloud 8 | All versions | 1.6.1-16.68.1 |
libgcrypt SUSE:OpenStack Cloud Crowbar 8 | All versions | 1.6.1-16.68.1 |
libgcrypt openSUSE:Leap 15.0 | All versions | 1.8.2-lp150.5.13.1 |
libgcrypt openSUSE:Leap 15.1 | All versions | 1.8.2-lp151.9.7.1 |
Products include Canonical Ubuntu Linux, Libgcrypt20 Project Libgcrypt20, Opensuse Leap.
How do I fix CVE-2019-13627?
Upgrade to a fixed version.
Is CVE-2019-13627 being exploited?
There is no known exploitation of CVE-2019-13627 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2019-13627, AZL-41066, DEBIAN-CVE-2019-13627, DLA-1931-1, DLA-1931-2, GHSA-vwvj-6vw9-cw8w and 12 more.