CRITICAL · 9.8

CVE-2016-8863

Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to cause a denial of service (crash) or possib...

Vulnerability Description

Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a valid URI followed by an invalid one in the CALLBACK header of an SUBSCRIBE request.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Libupnp ProjectLibupnp<= 1.6.20
DebianDebian Linux8.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2016-8863?

CVE-2016-8863 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to cause a denial of service (crash) or possib...

How severe is CVE-2016-8863?

CVE-2016-8863 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-8863?

Check the references section above for vendor advisories and patch information. Affected products include: Libupnp Project Libupnp, Debian Debian Linux.