CVE-2020-15117
Synergy DOoS Crash Vulnerability
Description
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.
INFO
Published Date :
July 15, 2020, 6:15 p.m.
Last Modified :
Nov. 7, 2023, 3:17 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-15117.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-15117 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-15117 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VFDEQED64YLWQK2TF73EMXZDYX7YT2DD/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAQYCMBWNVCIEM27NPIKK3DGJCNBYLAK/ [No types assigned] Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/VFDEQED64YLWQK2TF73EMXZDYX7YT2DD/ Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/WAQYCMBWNVCIEM27NPIKK3DGJCNBYLAK/ -
Reanalysis by [email protected]
Oct. 21, 2022
Action Type Old Value New Value Removed CWE NIST CWE-755 Added CWE NIST CWE-754 -
Modified Analysis by [email protected]
Jan. 04, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VFDEQED64YLWQK2TF73EMXZDYX7YT2DD/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/VFDEQED64YLWQK2TF73EMXZDYX7YT2DD/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/WAQYCMBWNVCIEM27NPIKK3DGJCNBYLAK/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/WAQYCMBWNVCIEM27NPIKK3DGJCNBYLAK/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 17, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/WAQYCMBWNVCIEM27NPIKK3DGJCNBYLAK/ [No Types Assigned] -
CVE Modified by [email protected]
Dec. 16, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/VFDEQED64YLWQK2TF73EMXZDYX7YT2DD/ [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 22, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/symless/synergy-core/commit/0a97c2be0da2d0df25cb86dfd642429e7a8bea39 No Types Assigned https://github.com/symless/synergy-core/commit/0a97c2be0da2d0df25cb86dfd642429e7a8bea39 Patch, Third Party Advisory Changed Reference Type https://github.com/symless/synergy-core/security/advisories/GHSA-chfm-333q-gfpp No Types Assigned https://github.com/symless/synergy-core/security/advisories/GHSA-chfm-333q-gfpp Third Party Advisory Added CWE NIST CWE-755 Added CPE Configuration OR *cpe:2.3:a:symless:synergy:*:*:*:*:*:*:*:* versions up to (excluding) 1.12.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-15117 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-15117
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.33 }} 0.12%
score
0.67820
percentile