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Gentoo: GLSA-202007-50 Standard: GLib Network Improper Certificate Check

gentoo
Calendar Grey July 26, 2020
Dist Gentoo Esm H88
GLib Networking on Gentoo encountered issues validating TLS certificates. An upgrade is advised to maintain security integrity.
GLib Networking was not properly verifying TLS certificates in all circumstances, possibly allowing an integrity/confidentiality compromise

Summary

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

Topics%20covered

Topics Covered

security advisory information leak gentoo normal severity integrity improper validation glib networking

Resolution

All GLib Networking users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=net-libs/glib-networking-2.62.4"

References

[ 1 ] CVE-2020-13645 https://nvd.nist.gov/vuln/detail/CVE-2020-13645

Availability

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

Severity: Normal
Title: GLib Networking: Improper certificate validation
Date: July 27, 2020
Bugs: #725880
ID: 202007-50

Topics%20covered

Topics Covered

security advisory information leak gentoo normal severity integrity improper validation glib networking

Synopsis

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

Background

Network-related giomodules for glib

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/glib-networking < 2.62.4 >= 2.62.4

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.

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