Improper Handling of Exceptional Conditions Affecting symless/synergy-core package, versions [,1.12.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.49% (65th percentile)

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  • Snyk IDSNYK-UNMANAGED-SYMLESSSYNERGYCORE-2366706
  • published26 Jan 2022
  • disclosed15 Jul 2020
  • creditUnknown

Introduced: 15 Jul 2020

CVE-2020-15117  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade symless/synergy-core to version 1.12.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Handling of Exceptional Conditions. 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.

CVSS Base Scores

version 3.1