Vulnerability identifier: #VU15735
Vulnerability risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-300
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla NSS
Universal components / Libraries /
Libraries used by multiple products
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to conduct man-in-the-middle attack on the target system.
The weakness exists due to ServerHello.random is all zero when handling a v2-compatible ClientHello. A remote attacker can use man-in-the-middle techniques to conduct passive replay attack and obtain potentially sensitive information.
Mitigation
The vulnerability has been fixed in the versions 3.36.5, 3.39.
Vulnerable software versions
Mozilla NSS: 3.24 - 3.38
External links
http://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.5_release_notes
http://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.39_release_notes
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.