CVE-2016-9952

The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CISA-ADPADP
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
haxxcurl
7.30.0 ≤
𝑥
≤ 7.51.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
curl
bullseye
7.74.0-1.3+deb11u13
fixed
bullseye (security)
7.74.0-1.3+deb11u11
fixed
bookworm
7.88.1-10+deb12u7
fixed
bookworm (security)
7.88.1-10+deb12u5
fixed
sid
8.10.1-2
fixed
trixie
8.10.1-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
curl
artful
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://curl.haxx.se/CVE-2016-9952.patch
https://curl.haxx.se/docs/adv_20161221B.html
https://curl.haxx.se/CVE-2016-9952.patch
https://curl.haxx.se/docs/adv_20161221B.html