SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2015-4503

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…

MEDIUM 5.0EPSS 1.56%

Does this matter?

Lower severity and a low EPSS score (1.56%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
1.56% probability · 74th percentile
CISA KEV
Not listed
Weakness
CWE-200
Affected
mozilla/firefox
Source
security@mozilla.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.