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Debian Security Advisory 4003-1

Debian Security Advisory 4003-1
Posted Oct 20, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4003-1 - Daniel P. Berrange reported that Libvirt, a virtualisation abstraction library, does not properly handle the default_tls_x509_verify (and related) parameters in qemu.conf when setting up TLS clients and servers in QEMU, resulting in TLS clients for character devices and disk devices having verification turned off and ignoring any errors while validating the server certificate.

tags | advisory
systems | linux, debian
advisories | CVE-2017-1000256
MD5 | 69848289fe0c4ca73f392494649ad6a5

Debian Security Advisory 4003-1

Change Mirror Download

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

- -------------------------------------------------------------------------
Debian Security Advisory DSA-4003-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
October 19, 2017 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : libvirt
CVE ID : CVE-2017-1000256
Debian Bug : 878799

Daniel P. Berrange reported that Libvirt, a virtualisation abstraction
library, does not properly handle the default_tls_x509_verify (and
related) parameters in qemu.conf when setting up TLS clients and servers
in QEMU, resulting in TLS clients for character devices and disk devices
having verification turned off and ignoring any errors while validating
the server certificate.

More informations in https://security.libvirt.org/2017/0002.html .

For the stable distribution (stretch), this problem has been fixed in
version 3.0.0-4+deb9u1.

For the unstable distribution (sid), this problem has been fixed in
version 3.8.0-3.

We recommend that you upgrade your libvirt packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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