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Mozilla Firefox Security Advisory (MFSA2015-150) - Linux
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
This host is missing a security update for Mozilla Firefox.
Insight
Insight
MD5 signatures accepted within TLS 1.2 ServerKeyExchange in server signature Security researcher Karthikeyan Bhargavan reported an issue in Network Security Services (NSS) where MD5 signatures in the server signature within the TLS 1.2 ServerKeyExchange message are still accepted. This is an issue since NSS has officially disallowed the accepting MD5 as a hash algorithm in signatures since 2011. This issues exposes NSS based clients such as Firefox to theoretical collision-based forgery attacks. This issue was fixed in NSS version 3.20.2.
Affected Software
Affected Software
Firefox version(s) below 43.0.2.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
The vendor has released an update. Please see the reference(s) for more information.