CVE-2016-10207: Buffer Overflow
First published: Thu Feb 02 2017(Updated: )
A vulnerability was found in tigerVNC. The Xvnc server from tigervnc can crash when a client terminates a TLS connection early. This is due to invalid initialization/deinitialization order of the GnuTLS library. References: <a href="http://seclists.org/oss-sec/2017/q1/297">http://seclists.org/oss-sec/2017/q1/297</a> Upstream patch: <a href="https://github.com/TigerVNC/tigervnc/commit/8aa4bc53206c2430bbf0c8f4b642f59a379ee649">https://github.com/TigerVNC/tigervnc/commit/8aa4bc53206c2430bbf0c8f4b642f59a379ee649</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Linux | =42.1 | |
| SUSE Linux | =42.2 | |
| Tigervnc | =0.0.90 | |
| Tigervnc | =0.0.91 | |
| Tigervnc | =1.0 | |
| Tigervnc | =1.0.1 | |
| Tigervnc | =1.1.0 | |
| Tigervnc | =1.3 | |
| Tigervnc | =1.3.1 | |
| Tigervnc | =1.7 |
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Reference Links
- http://seclists.org/oss-sec/2017/q1/297
- https://github.com/TigerVNC/tigervnc/commit/8aa4bc53206c2430bbf0c8f4b642f59a379ee649
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1415719
- http://seclists.org/oss-sec/2017/q1/312
- https://rhn.redhat.com/errata/RHSA-2017-0630.html
- https://access.redhat.com/errata/RHSA-2017:2000
- https://bugzilla.redhat.com/show_bug.cgi?id=1418761
- http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00020.html
- http://rhn.redhat.com/errata/RHSA-2017-0630.html
- http://www.openwall.com/lists/oss-security/2017/02/02/22
- http://www.openwall.com/lists/oss-security/2017/02/05/2
- http://www.securityfocus.com/bid/96012
- https://bugzilla.suse.com/show_bug.cgi?id=1023012
- https://security.gentoo.org/glsa/201801-13
Frequently Asked Questions
What is the severity of CVE-2016-10207?
CVE-2016-10207 is classified as a medium severity vulnerability due to the potential for causing a crash.
How does CVE-2016-10207 affect TigerVNC?
CVE-2016-10207 affects TigerVNC by causing the Xvnc server to crash when a client terminates a TLS connection prematurely.
What versions of TigerVNC are affected by CVE-2016-10207?
CVE-2016-10207 affects TigerVNC versions 0.0.90, 0.0.91, 1.0, 1.0.1, 1.1.0, 1.3, 1.3.1, and 1.7.
How do I fix CVE-2016-10207?
To fix CVE-2016-10207, upgrade to a patched version of TigerVNC that addresses the initialization order issue with GnuTLS.
What should I do if I am using openSUSE and have CVE-2016-10207?
If you are using openSUSE, you should upgrade your system packages to obtain the security updates that mitigate CVE-2016-10207.
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- alias/CVE-2016-10207
- agent/trending
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- agent/softwarecombine
- agent/tags
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- agent/software-canonical-lookup-request
- vendor/opensuse
- canonical/suse linux
- version/suse linux/42.1
- version/suse linux/42.2
- vendor/tigervnc
- canonical/tigervnc
- version/tigervnc/0.0.90
- version/tigervnc/0.0.91
- version/tigervnc/1.0
- version/tigervnc/1.0.1
- version/tigervnc/1.1.0
- version/tigervnc/1.3
- version/tigervnc/1.3.1
- version/tigervnc/1.7