Use of a Broken or Risky Cryptographic Algorithm Affecting gnutls28 package, versions <3.5.8-5+deb9u4
Snyk CVSS
Attack Complexity
High
Scope
Changed
Confidentiality
High
Threat Intelligence
EPSS
0.05% (19th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-DEBIAN9-GNUTLS28-340594
- published 25 Sep 2018
- disclosed 22 Aug 2018
Introduced: 22 Aug 2018
CVE-2018-10846 Open this link in a new tabHow to fix?
Upgrade Debian:9
gnutls28
to version 3.5.8-5+deb9u4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnutls28
package and not the gnutls28
package as distributed by Debian
.
See How to fix?
for Debian:9
relevant fixed versions and status.
A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.
References
- https://security-tracker.debian.org/tracker/CVE-2018-10846
- https://gitlab.com/gnutls/gnutls/merge_requests/657
- https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
- https://eprint.iacr.org/2018/747
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846
- https://access.redhat.com/errata/RHSA-2018:3050
- https://access.redhat.com/errata/RHSA-2018:3505
- http://www.securityfocus.com/bid/105138
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-10846
- https://usn.ubuntu.com/3999-1/
- https://access.redhat.com/security/cve/CVE-2018-10846
- https://bugzilla.redhat.com/show_bug.cgi?id=1582574
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/