CVE-2016-9953 Information disclosure in n/a

Critical 9.8 Published Updated

Remote attackers can cause crashes or leak sensitive information via wildcard certificates in libcurl's Schannel backend on Windows CE.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2016-9953?

CVE-2016-9953 is a critical vulnerability in Haxx Curl, published on 12 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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, allows remote attackers to obtain sensitive information, cause a denial of service (crash), or possibly have unspecified other impact via a wildcard certificate name, which triggers an out-of-bounds read.

Weakness: CWE-125

Which versions are affected by CVE-2016-9953?

It affects 1 product.

Products include Haxx Curl.

How do I fix CVE-2016-9953?

Upgrade to a fixed version.

Is CVE-2016-9953 being exploited?

There is no known exploitation of CVE-2016-9953 in the wild and no public exploit code.

All Haxx Curl vulnerabilities

Sources

Also known as ALPINE-CVE-2016-9953, CURL-CVE-2016-9953, GHSA-72rm-6rfp-xgr9.

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