CVE-2015-4503

Description

The TCP Socket API implementation in Mozilla Firefox before 41.0 mishandles array boundaries that were established with a navigator.mozTCPSocket.open method call and send method calls, which allows remote TCP servers to obtain sensitive information from process memory by reading packet data, as demonstrated by availability of this API in a Firefox OS application.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.57%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html vendor advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-97.html vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/76815 vdb entry
http://www.securitytracker.com/id/1033640 vdb entry
https://bugzilla.mozilla.org/show_bug.cgi?id=994337
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-4503?
CVE-2015-4503 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4503?
To fix CVE-2015-4503, 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-2015-4503 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-4503 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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