GLSA 202007-50: GLib Networking: Improper certificate validation

http://security.gentoo.org/

Severity:	normal
Title:	GLib Networking: Improper certificate validation
Date:	07/27/2020
Bugs:	#725880
ID:	202007-50

Synopsis

GLib Networking was not properly verifying TLS certificates in all circumstances, possibly allowing an integrity/confidentiality compromise.

Background

Network-related giomodules for glib

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-libs/glib-networking	< 2.62.4	>= 2.62.4	All supported architectures

Description

GTlsClientConnection skips hostname verification of the server’s TLS certificate if the application fails to specify the expected server identity.

Impact

There may be a breach of integrity or confidentiality in connections made using GLib Networking.

Workaround

There is no known workaround at this time.

Resolution

All GLib Networking users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/glib-networking-2.62.4"

References

CVE-2020-13645

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202007-50.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.