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CVE-2019-15695

Status Candidate

Overview

TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

Related Files

Red Hat Security Advisory 2020-3875-01
Posted Sep 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3875-01 - Virtual Network Computing is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. Issues addressed include a buffer overflow vulnerability.

tags | advisory, remote, overflow
systems | linux, redhat
advisories | CVE-2019-15691, CVE-2019-15692, CVE-2019-15693, CVE-2019-15694, CVE-2019-15695
SHA-256 | f5b8193e9c62c95edb5f2fee433b2b3d908af644160a87cf9fd3a5795ae98f63
Red Hat Security Advisory 2020-1497-01
Posted Apr 17, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1497-01 - Virtual Network Computing is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. Issues addressed include a buffer overflow vulnerability.

tags | advisory, remote, overflow
systems | linux, redhat
advisories | CVE-2019-15691, CVE-2019-15692, CVE-2019-15693, CVE-2019-15694, CVE-2019-15695
SHA-256 | f80f1e718d52160743afe826ffa9c8a4d9183700f91505d41bdbaf883bab9c21
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