ArchLinux: 201904-2: gnutls: multiple issues
Summary
- CVE-2019-3829 (arbitrary code execution)
A critical memory corruption vulnerability has been found in GnuTLS
versions prior to 3.6.7, in any API backed by verify_crt(), including
gnutls_x509_trust_list_verify_crt() and related routines. Any client or
server that verifies X.509 certificates with GnuTLS is likely affected
and can be compromised by a malicious server or active network
attacker.
- CVE-2019-3836 (denial of service)
An invalid pointer access via malformed TLS1.3 async messages has been
found in GnuTLS versions prior to 3.6.7.
Resolution
Upgrade to 3.6.7-1.
# pacman -Syu "gnutls>=3.6.7-1"
The problems have been fixed upstream in version 3.6.7.
References
https://lists.gnupg.org/pipermail/gnutls-help/2019-March/004497.html https://gitlab.com/gnutls/gnutls/-/issues/694 https://gitlab.com/gnutls/gnutls/-/issues/704 https://security.archlinux.org/CVE-2019-3829 https://security.archlinux.org/CVE-2019-3836
Workaround
None.