The Xvnc server in TigerVNC allows remote attackers to cause a denial of service (invalid memory access and crash) by terminating a TLS handshake early.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1023012 | issue tracking exploit vdb entry third party advisory |
| http://rhn.redhat.com/errata/RHSA-2017-0630.html | third party advisory vendor advisory |
| https://access.redhat.com/errata/RHSA-2017:2000 | third party advisory vendor advisory |
| http://www.openwall.com/lists/oss-security/2017/02/02/22 | third party advisory mailing list |
| http://www.openwall.com/lists/oss-security/2017/02/05/2 | mailing list exploit third party advisory |
| http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00020.html | third party advisory patch vendor advisory |
| https://github.com/TigerVNC/tigervnc/commit/8aa4bc53206c2430bbf0c8f4b642f59a379ee649 | patch |
| http://www.securityfocus.com/bid/96012 | vdb entry third party advisory |
| https://security.gentoo.org/glsa/201801-13 | third party advisory vendor advisory |