CVE-2016-9952: High severity curl vulnerability

Published Mar 12, 2018
·
Updated

The verifycertificate 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 Software

4 affected components
haxx curl>=7.30.0<=7.51.0
Microsoft Windows CE
All of the following
haxx curl>=7.30.0<=7.51.0
Microsoft Windows Embedded Compact

Event History

Mar 12, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description
Data Sourced
via NVD·09:29 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2016-9952?

CVE-2016-9952 has been rated as a high severity vulnerability due to its potential to facilitate man-in-the-middle attacks.

2

How do I fix CVE-2016-9952?

To fix CVE-2016-9952, you should upgrade libcurl to a version later than 7.51.0.

3

What is affected by CVE-2016-9952?

CVE-2016-9952 affects libcurl versions 7.30.0 through 7.51.0 when built for Windows CE using the schannel TLS backend.

4

Who can exploit CVE-2016-9952?

Remote attackers can exploit CVE-2016-9952 through crafted wildcard SANs in server certificates.

5

What kinds of attacks can CVE-2016-9952 facilitate?

CVE-2016-9952 can facilitate man-in-the-middle attacks due to improper certificate verification.

Contact

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