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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Symless | Synergy | < 1.12.0 |
| Fedoraproject | Fedora | 32 |
Related Weaknesses (CWE)
References
- https://github.com/symless/synergy-core/commit/0a97c2be0da2d0df25cb86dfd642429e7PatchThird Party Advisory
- https://github.com/symless/synergy-core/security/advisories/GHSA-chfm-333q-gfppThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/symless/synergy-core/commit/0a97c2be0da2d0df25cb86dfd642429e7PatchThird Party Advisory
- https://github.com/symless/synergy-core/security/advisories/GHSA-chfm-333q-gfppThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-15117?
CVE-2020-15117 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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. ...
How severe is CVE-2020-15117?
CVE-2020-15117 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-15117?
Check the references section above for vendor advisories and patch information. Affected products include: Symless Synergy, Fedoraproject Fedora.