CVE-2018-7886 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

An issue was discovered in CloudMe 1.11.0. An unauthenticated local attacker that can connect to the "CloudMe Sync" client application listening on 127.0.0.1 port 8888 can send a malicious payload causing a buffer overflow condition. This will result in code execution, as demonstrated by a TCP reverse shell, or a crash. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-6892.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cloudme	Sync	1.11.0

Related Weaknesses (CWE)

CWE-119

References

https://0day4u.wordpress.com/2018/03/09/buffer-overflow-on-cloudme-sync-v1-11-0/ExploitThird Party Advisory
https://www.exploit-db.com/exploits/44470/ExploitThird Party AdvisoryVDB Entry
https://0day4u.wordpress.com/2018/03/09/buffer-overflow-on-cloudme-sync-v1-11-0/ExploitThird Party Advisory
https://www.exploit-db.com/exploits/44470/ExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2018-7886?

CVE-2018-7886 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in CloudMe 1.11.0. An unauthenticated local attacker that can connect to the "CloudMe Sync" client application listening on 127.0.0.1 port 8888 can send a malicious payload cau...

How severe is CVE-2018-7886?

CVE-2018-7886 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-7886?

Check the references section above for vendor advisories and patch information. Affected products include: Cloudme Sync.