CVE-2016-8863

high-risk
Published 2017-03-07

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.

Do I need to act?

!
24.4% chance of exploitation in next 30 days
EPSS score — higher than 76% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Libupnp Project Debian

References (12)

http://www.securityfocus.com/bid/92849
https://security.gentoo.org/glsa/201701-52
Issue Tracking https://sourceforge.net/p/pupnp/bugs/133/
Release Notes https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog
Third Party Advisory https://www.debian.org/security/2016/dsa-3736
https://www.tenable.com/security/research/tra-2017-10
http://www.securityfocus.com/bid/92849
https://security.gentoo.org/glsa/201701-52
Issue Tracking https://sourceforge.net/p/pupnp/bugs/133/
Release Notes https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog
Third Party Advisory https://www.debian.org/security/2016/dsa-3736
https://www.tenable.com/security/research/tra-2017-10
54
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 15/34 · Moderate
Exposure 7/34 · Low