CVE-2018-7445 on CISA KEV

A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes pla

01What CISA says about this vulnerability

A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.securityfocus.com — http://www.securityfocus.com/bid/103427
• seclists.org — http://seclists.org/fulldisclosure/2018/Mar/38
• www.exploit-db.com — https://www.exploit-db.com/exploits/44290/
• www.coresecurity.com — https://www.coresecurity.com/advisories/mikrotik-routeros-smb-buffer-overflow

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / n/a	n/a

06Detection

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