CVE-2018-6892
CVE-2018-6892 is a Buffer Overflow vulnerability. 12 public exploit references exist, so weaponization risk is real. O3 Security confirms whether CVE-2018-6892 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
An issue was discovered in CloudMe before 1.11.0. An unauthenticated remote attacker that can connect to the "CloudMe Sync" client application listening on port 8888 can send a malicious…
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Description
An issue was discovered in CloudMe before 1.11.0. An unauthenticated remote attacker that can connect to the "CloudMe Sync" client application listening on port 8888 can send a malicious payload causing a buffer overflow condition. This will result in an attacker controlling the program's execution flow and allowing arbitrary code execution.
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Cloudme 1.9 - Buffer Overflow (DEP) (Metasploit)
by Raymond Wellnitz · Aug 14, 2018
CloudMe Sync < 1.11.0 - Buffer Overflow
by hyp3rlinx · Feb 13, 2018
CloudMe Sync 1.11.2 Buffer Overflow - WoW64 (DEP Bypass)
by Matteo Malvica · Jan 28, 2019
CloudMe 1.11.2 - Buffer Overflow ROP (DEP_ASLR)
by boku · Sep 29, 2020
CloudMe Sync 1.10.9 - Stack-Based Buffer Overflow (Metasploit)
by Metasploit · Feb 26, 2018
Detection & mitigation playbook
VulnerabilityDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for the affected component. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Remediation status
No patched version of the affected component has shipped for CVE-2018-6892 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.
Mitigate without a patch
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2018-6892 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2018-6892. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2018-6892 in your dependencies?
O3 detects CVE-2018-6892 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.