CVE-2019-3836
First published: Mon Feb 18 2019(Updated: )
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/gnutls | <3.6.7 | 3.6.7 |
| GNU GnuTLS | >=3.6.3<3.6.7 | |
| Fedoraproject Fedora | =28 | |
| openSUSE Leap | =15.0 | |
| debian/gnutls28 | 3.7.1-5+deb11u5 3.7.1-5+deb11u6 3.7.9-2+deb12u3 3.8.8-2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3836
- https://gitlab.com/gnutls/gnutls/issues/704
- https://security.netapp.com/advisory/ntap-20190502-0005/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/
- https://security.gentoo.org/glsa/201904-14
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html
- https://usn.ubuntu.com/3999-1/
- https://access.redhat.com/errata/RHSA-2019:3600
- https://launchpad.net/bugs/cve/CVE-2019-3836
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1693214
- https://github.com/tomato42/tlsfuzzer
- https://github.com/tomato42/tlsfuzzer/pull/501
- https://www.gnutls.org/security-new.html#GNUTLS-SA-2019-03-27
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1678411#c5
- https://gitlab.com/gnutls/gnutls/commit/96e07075e8f105b13e76b11e493d5aa2dd937226
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1678411#c7
- https://access.redhat.com/security/cve/cve-2019-3836
- https://bugzilla.redhat.com/show_bug.cgi?id=1678411
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3ETBUFBB4G7AITAOUYPGXVMBGVXKUAN/
- https://security-tracker.debian.org/tracker/CVE-2019-3836
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3836
- https://nvd.nist.gov/vuln/detail/CVE-2019-3836
- https://ubuntu.com/security/CVE-2019-3836
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2019-3836.
What is the severity of CVE-2019-3836?
The severity of CVE-2019-3836 is high, with a severity value of 7.5.
Which software is affected by CVE-2019-3836?
The software affected by CVE-2019-3836 includes gnutls versions 3.6.3 or later.
How can CVE-2019-3836 be triggered?
CVE-2019-3836 can be triggered by certain post-handshake messages.
Where can I find more information about CVE-2019-3836?
You can find more information about CVE-2019-3836 at the following references: [GitLab](https://gitlab.com/gnutls/gnutls/issues/704), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1693214), [GitHub](https://github.com/tomato42/tlsfuzzer).
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