CVE-2018-12384

Published: Apr 29, 2019Modified: Nov 21, 2024

5.9

Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 2.2 / Impact: 3.6

Source: NVD

Description

When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.

Affected (1)

Products: Mozilla: Network Security Services

1 product

Network Security Services

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mozilla Network Security Services	Before 3.39

Related CWEs

Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

The product uses a Pseudo-Random Number Generator (PRNG) but does not correctly manage seeds.

References (4)

https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384

Source: security@mozilla.org

Issue TrackingVendor Advisory

https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Source: security@mozilla.org

https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingVendor Advisory

https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.