CVE-2015-4515

Description

Mozilla Firefox before 42.0, when NTLM v1 is enabled for HTTP authentication, allows remote attackers to obtain sensitive hostname information by constructing a crafted web site that sends an NTLM request and reads the Workstation field of an NTLM type 3 message.

References

Link	Tags
http://www.securitytracker.com/id/1034069	vdb entry
http://www.mozilla.org/security/announce/2015/mfsa2015-117.html	vendor advisory
https://security.gentoo.org/glsa/201512-10	vendor advisory
http://www.ubuntu.com/usn/USN-2785-1	vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html	vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1046421

Frequently Asked Questions

What is the severity of CVE-2015-4515?: CVE-2015-4515 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4515?: To fix CVE-2015-4515, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4515 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2015-4515 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-200 – Exposure of Sensitive Information to an Unauthorized Actor

References

Frequently Asked Questions