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."

CVSS v3.0 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3.0 : HIGH

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

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://curl.haxx.se/docs/adv_20161221B.html	Vendor Advisory
https://curl.haxx.se/CVE-2016-9952.patch	Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_ce:-:*:*:*:*:*:*:*

Information

Published : 2018-03-12 14:29

Updated : 2018-04-10 08:29

NVD link : CVE-2016-9952

Mitre link : CVE-2016-9952

JSON object : View

CWE

CWE-295

Improper Certificate Validation

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Products Affected

microsoft

windows_ce

haxx

curl

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