#VU89648 Cryptographic issues in Mozilla NSS - CVE-2015-2730

Vulnerability identifier: #VU89648

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-2730

CWE-ID: CWE-310

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 modify data on the system.

The vulnerability exists due to application does not properly perform Elliptical Curve Cryptography (ECC) multiplications. A remote attacker can exploit this vulnerability to forge signatures by persuading a victim to visit a specially-crafted website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla NSS: before 3.19.1

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External links
https://bugzilla.mozilla.org/show_bug.cgi?id=1125025
https://www.mozilla.org/security/announce/2015/mfsa2015-64.html
https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.19.1_release_notes
https://www.debian.org/security/2015/dsa-3336
https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html
https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html
https://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
https://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
https://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
https://www.securityfocus.com/bid/83399
https://www.securityfocus.com/bid/75541
https://security.gentoo.org/glsa/201512-10
https://rhn.redhat.com/errata/RHSA-2015-1699.html
https://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
https://rhn.redhat.com/errata/RHSA-2015-1664.html
https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
https://www.ubuntu.com/usn/USN-2672-1
https://www.ubuntu.com/usn/USN-2656-2
https://www.ubuntu.com/usn/USN-2656-1
https://www.securitytracker.com/id/1032783
https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html

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Q & A

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.