Remote code execution in Little CMS
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-16435 |
| CWE-ID | CWE-122 CWE-190 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Little CMS Web applications / Modules and components for CMS |
| Vendor | Little CMS |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Integer overflow
EUVDB-ID: #VU14624
Risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-16435
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in the AllocateDataSet function in cmscgats.c when handling malicious input. A remote unauthenticated attacker can supply a specially crafted file in the second argument to cmsIT8LoadFromFile, trigger heap-based buffer overflow in the SetData function and cause the service to crash or execute arbitrary code with elevated prvileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsLittle CMS: 2.9
CPE2.3 External linkshttp://github.com/mm2/Little-CMS/issues/171
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
