CVE-2019-7632

published 2019-02-08

CVE-2019-7632: LifeSize Team, Room, Passport, and Networker 220 devices allow Authenticated Remote OS Command Injection, as demonstrated by shell metacharacters in the…

Priority P2 60 high 8.8 CVSS 3.0

AV N AC L PR L UI N S U C H I H A H

LifeSize Team, Room, Passport, and Networker 220 devices allow Authenticated Remote OS Command Injection, as demonstrated by shell metacharacters in the support/mtusize.php mtu_size parameter. The lifesize default password for the cli account may sometimes be used for authentication.

Detection & IOCs extracted from sources · hover to see the quote

path support/mtusize.php↗

other mtu_size↗

• → Monitor for OS command injection via shell metacharacters submitted to the mtu_size parameter of support/mtusize.php on LifeSize devices. ↗
• → Alert on authentication attempts using the default 'cli' account credential on LifeSize Team, Room, Passport, and Networker 220 devices, as this is the known default used to stage the exploit. ↗

• · Exploitation requires authentication; however, the well-known default credential for the 'cli' account on LifeSize devices may be sufficient to authenticate and trigger the injection. ↗
• · Affected devices include LifeSize Team, Room, Passport, and Networker 220 — scope should be confirmed before deploying detections. ↗

CVSS provenance

nvd v3.0 8.8 HIGH CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 9.0 CRITICAL AV:N/AC:L/Au:S/C:C/I:C/A:C

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CWE-78