CVE-2019-13627
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 6.3 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-203
- Record status
- Modified
Affected
- 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
Attack profile CVSS 3.1 · 6.3
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-13627.md and follow it. Check whether this project is affected by CVE-2019-13627. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5
- https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.html
- http://www.openwall.com/lists/oss-security/2019/10/02/2
- https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5
- https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00001.html
- https://minerva.crocs.fi.muni.cz/
- https://security-tracker.debian.org/tracker/CVE-2019-13627
- https://security.gentoo.org/glsa/202003-32
- https://usn.ubuntu.com/4236-1/
- https://usn.ubuntu.com/4236-2/
- https://usn.ubuntu.com/4236-3/
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.html
- http://www.openwall.com/lists/oss-security/2019/10/02/2
- https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5
- https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00001.html
- https://minerva.crocs.fi.muni.cz/
- https://security-tracker.debian.org/tracker/CVE-2019-13627
- https://security.gentoo.org/glsa/202003-32
- https://usn.ubuntu.com/4236-1/
- https://usn.ubuntu.com/4236-2/
- https://usn.ubuntu.com/4236-3/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html