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…

PriorityP335high8.1CVSS 3.1

AVNACHPRNUINSUCHIHAH

EPSS

0.40%

61.1th percentile

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."

Affected

4 ranges

Vendor	Product	Version range	Fixed in
debian	curl	—	—
haxx	curl	>= 0 < 7.52.1-r0	7.52.1-r0
haxx	curl	>= 0 < 7.52.1-r0	7.52.1-r0
haxx	curl	7.30.0 – 7.51.0	—

CVSS provenance

nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv3.08.1HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

osv8.1HIGH

vendor_debian8.1LOW

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