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ubuntucveUbuntu.comUB:CVE-2016-9952
HistoryMar 12, 2018 - 12:00 a.m.

CVE-2016-9952

2018-03-1200:00:00
ubuntu.com
ubuntu.com
12

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.002

Percentile

55.4%

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.”

Notes

Author Note
ratliff Advisory says “This vulnerability only happens on … Windows CE”

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.002

Percentile

55.4%