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Ubuntu: USN-4617-1 (CVE-2020-25651): SPICE vdagent vulnerabilities

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Ubuntu: USN-4617-1 (CVE-2020-25651): SPICE vdagent vulnerabilities

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:P)
Published
11/04/2020
Created
11/07/2020
Added
11/05/2020
Modified
12/16/2020

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From USN-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. (CVE-2020-25650)

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. (CVE-2020-25651)

Matthias Gerstner discovered that SPICE vdagent incorrectly handled a large number of client connections. A local attacker could possibly use this issue to cause SPICE vdagent to consume resources, resulting in a denial of service. (CVE-2020-25652)

Matthias Gerstner discovered that SPICE vdagent incorrectly handled client connections. A local attacker could possibly use this issue to obtain sensitive information, paste clipboard contents, and transfer files into the active session. (CVE-2020-25653)

Solution(s)

  • ubuntu-upgrade-spice-vdagent

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