PT-2021-19458 · Chiyu Technology · Bf-630+4

Published

2021-06-01

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Updated

2021-06-08

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CVE-2021-31642

CVSS v2.0

6.8

Medium

VectorAV:N/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions CHIYU Technology BIOSENSE (affected versions not specified) CHIYU Technology Webpass (affected versions not specified) CHIYU Technology BF-630 (affected versions not specified) CHIYU Technology BF-631 (affected versions not specified) CHIYU Technology SEMAC (affected versions not specified)
Description A denial of service condition exists after an integer overflow in several IoT devices. The issue can be exploited by sending an unexpected integer (> 32 bits) on the page parameter, which will crash the web portal and make it unavailable until a reboot of the device.
Recommendations For CHIYU Technology BIOSENSE, consider restricting access to the web portal until a fix is available. For CHIYU Technology Webpass, avoid using the page parameter with unexpected integers until the issue is resolved. For CHIYU Technology BF-630, temporarily disable the web portal to prevent exploitation. For CHIYU Technology BF-631, restrict access to the web portal to minimize the risk of exploitation. For CHIYU Technology SEMAC, consider disabling the web portal until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2021-31642

Affected Products

Bf-630
Bf-631
Biosense
Semac
Webpass