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CVE-2020-25651

Status Candidate

Overview

A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or in parts in the client connection of an illegitimate local user in the VM system. Active file transfers from other users could also be interrupted, resulting in a denial of service. The highest threat from this vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent versions 0.20 and prior.

Related Files

Red Hat Security Advisory 2021-1791-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1791-01 - The spice-vdagent packages provide a SPICE agent for Linux guests. Issues addressed include denial of service and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2020-25650, CVE-2020-25651, CVE-2020-25652, CVE-2020-25653
SHA-256 | 93361840143528b68e14153e71331ca4b8ad68717eb50adc7eaae79b6640adfc
Ubuntu Security Notice USN-4617-1
Posted Nov 4, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4617-1 - Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local attacker could possibly use this issue to cause SPICE vdagent to consume memory, resulting in a denial of service. Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local attacker could possibly use this issue to cause SPICE vdagent to consume memory, resulting in a denial of service, or obtain sensitive file contents. Various other issues were also addressed.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2020-25650, CVE-2020-25651, CVE-2020-25652, CVE-2020-25653
SHA-256 | 029de89af76dac287d7764184f2727af45165fac2874d6ce9b1c1d78b876a71d
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