Detections
Analytics
CVE-2020-12695
high
Description
The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.
From the Tenable Blog
CVE-2020-12695: CallStranger Vulnerability in Universal Plug and Play (UPnP) Puts Billions of Devices At Risk
Published: 2020-06-08
Universal Plug and Play (UPnP), a ubiquitous protocol used by “billions of devices,” may be vulnerable to data exfiltration and reflected amplified TCP distributed denial of service (DDoS) attacks.
References
https://www.kb.cert.org/vuls/id/339275
https://www.debian.org/security/2021/dsa-4898
https://www.debian.org/security/2020/dsa-4806
https://usn.ubuntu.com/4494-1/
https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00011.html
https://github.com/yunuscadirci/CallStranger
https://github.com/corelight/callstranger-detector
https://corelight.blog/2020/06/10/detecting-the-new-callstranger-upnp-vulnerability-with-zeek/
http://www.openwall.com/lists/oss-security/2020/06/08/2
http://packetstormsecurity.com/files/158051/CallStranger-UPnP-Vulnerability-Checker.html