CVE-2020-12695

NameCVE-2020-12695
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2315-1, DLA-2318-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gupnp (PTS)stretch1.0.1-1vulnerable
stretch (security)1.0.1-1+deb9u1fixed
buster1.0.3-3vulnerable
bullseye, sid1.2.3-1fixed
wpa (PTS)stretch2:2.4-1+deb9u6vulnerable
stretch (security)2:2.4-1+deb9u7fixed
buster2:2.7+git20190128+0c1e29f-6+deb10u2vulnerable
buster (security)2:2.7+git20190128+0c1e29f-6+deb10u1vulnerable
bullseye, sid2:2.9.0-13vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gupnpsourcestretch1.0.1-1+deb9u1DLA-2315-1
gupnpsource(unstable)1.2.3-1
wpasourcestretch2:2.4-1+deb9u7DLA-2318-1
wpasource(unstable)(unfixed)

Notes

[buster] - wpa <no-dsa> (Minor issue)
[buster] - gupnp <no-dsa> (Minor issue)
https://w1.fi/security/2020-1/upnp-subscribe-misbehavior-wps-ap.txt
https://w1.fi/security/2020-1/0001-WPS-UPnP-Do-not-allow-event-subscriptions-with-URLs-.patch
https://w1.fi/security/2020-1/0002-WPS-UPnP-Fix-event-message-generation-using-a-long-U.patch
https://w1.fi/security/2020-1/0003-WPS-UPnP-Handle-HTTP-initiation-failures-for-events-.patch

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