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CVE-2020-15117

Published: 15 July 2020

In Synergy before version 1.12.0, a Synergy server can be crashed by receiving a kMsgHelloBack packet with a client name length set to 0xffffffff (4294967295) if the servers memory is less than 4 GB. It was verified that this issue does not cause a crash through the exception handler if the available memory of the Server is more than 4GB.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
synergy
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

impish Does not exist

groovy Does not exist

hirsute Does not exist

xenial Needs triage

kinetic Does not exist

lunar Does not exist

jammy Does not exist

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H