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CVE-2015-2730

Status Candidate

Overview

Mozilla Network Security Services (NSS) before 3.19.1, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and other products, does not properly perform Elliptical Curve Cryptography (ECC) multiplications, which makes it easier for remote attackers to spoof ECDSA signatures via unspecified vectors.

Related Files

Gentoo Linux Security Advisory 201512-10
Posted Dec 30, 2015
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201512-10 - Multiple vulnerabilities have been found in Mozilla Firefox and Thunderbird, the worst of which may allow user-assisted execution of arbitrary code. Versions less than 38.5.0 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2015-0798, CVE-2015-0799, CVE-2015-0801, CVE-2015-0802, CVE-2015-0803, CVE-2015-0804, CVE-2015-0805, CVE-2015-0806, CVE-2015-0807, CVE-2015-0808, CVE-2015-0810, CVE-2015-0811, CVE-2015-0812, CVE-2015-0813, CVE-2015-0814, CVE-2015-0815, CVE-2015-0816, CVE-2015-2706, CVE-2015-2721, CVE-2015-2722, CVE-2015-2724, CVE-2015-2725, CVE-2015-2726, CVE-2015-2727, CVE-2015-2728, CVE-2015-2729, CVE-2015-2730, CVE-2015-2731
MD5 | 5a2f23b04bc19cb5b4340595d101640e
Red Hat Security Advisory 2015-1699-01
Posted Sep 2, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1699-01 - Network Security Services is a set of libraries designed to support cross-platform development of security-enabled client and server applications. A flaw was found in the way NSS verified certain ECDSA signatures. Under certain conditions, an attacker could use this flaw to conduct signature forgery attacks.

tags | advisory
systems | linux, redhat
advisories | CVE-2015-2730
MD5 | b41f52574157bd72bfb047a006d4725f
Red Hat Security Advisory 2015-1664-01
Posted Aug 24, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1664-01 - Network Security Services is a set of libraries designed to support cross-platform development of security-enabled client and server applications. It was found that NSS permitted skipping of the ServerKeyExchange packet during a handshake involving ECDHE. A remote attacker could use this flaw to bypass the forward-secrecy of a TLS/SSL connection. A flaw was found in the way NSS verified certain ECDSA signatures. Under certain conditions, an attacker could use this flaw to conduct signature forgery attacks.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2015-2721, CVE-2015-2730
MD5 | ae3db96a1a12a86e9c9225fc9523dc97
Debian Security Advisory 3336-1
Posted Aug 18, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3336-1 - Several vulnerabilities have been discovered in nss, the Mozilla Network Security Service library.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2015-2721, CVE-2015-2730
MD5 | 5241ef6147d66d1d82bcf24640a2aad9
Ubuntu Security Notice USN-2656-2
Posted Jul 16, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2656-2 - USN-2656-1 fixed vulnerabilities in Firefox for Ubuntu 14.04 LTS and later releases. This update provides the corresponding update for Ubuntu 12.04 LTS. Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property. Looben Yan discovered 2 use-after-free issues when using XMLHttpRequest in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2015-2721, CVE-2015-2722, CVE-2015-2724, CVE-2015-2725, CVE-2015-2726, CVE-2015-2727, CVE-2015-2728, CVE-2015-2729, CVE-2015-2730, CVE-2015-2731, CVE-2015-2733, CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740, CVE-2015-2741, CVE-2015-2743, CVE-2015-4000
MD5 | 96b73fbfcce3b6624ff4d4cfedc2c6c5
Ubuntu Security Notice USN-2656-1
Posted Jul 9, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2656-1 - Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property. Looben Yan discovered 2 use-after-free issues when using XMLHttpRequest in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2015-2721, CVE-2015-2722, CVE-2015-2724, CVE-2015-2725, CVE-2015-2726, CVE-2015-2727, CVE-2015-2728, CVE-2015-2729, CVE-2015-2730, CVE-2015-2731, CVE-2015-2733, CVE-2015-2734, CVE-2015-2735, CVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740, CVE-2015-2741, CVE-2015-2743, CVE-2015-4000
MD5 | 7b0982a84ee9206a9662d28ac9270e6c
Ubuntu Security Notice USN-2672-1
Posted Jul 9, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2672-1 - Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property. Watson Ladd discovered that NSS incorrectly handled Elliptical Curve Cryptography (ECC) multiplication. A remote attacker could possibly use this issue to spoof ECDSA signatures. Various other issues were also addressed.

tags | advisory, remote, spoof
systems | linux, ubuntu
advisories | CVE-2015-2721, CVE-2015-2730
MD5 | 3da8af7b7f62286279380765f4887ddc
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