NSS: ECDSA signature validation fails to handle some signatures correctly (MFSA 2015-64)

A flaw was found in the way NSS verified certain ECDSA Elliptic Curve Digital Signature Algorithm signatures. Under certain conditions, an attacker could use this flaw to conduct signature forgery attacks...

NSS: ECDSA signature validation fails to handle some signatures correctly (MFSA 2015-64)

A flaw was found in the way NSS verified certain ECDSA Elliptic Curve Digital Signature Algorithm signatures. Under certain conditions, an attacker could use this flaw to conduct signature forgery attacks...

NSS: incorrectly permited skipping of ServerKeyExchange (MFSA 2015-71)

It was found that NSS permitted skipping of the ServerKeyExchange packet during a handshake involving ECDHE Elliptic Curve Diffie-Hellman key Exchange. A remote attacker could use this flaw to bypass the forward-secrecy of a TLS/SSL connection...

Cisco Unified Communications Manager - Multiple Vulnerabilities

Cisco Unified Communications Manager - Multiple Vulnerabilities Vantage Point Security Advisory 2015-001 ======================================== Title: Cisco Unified Communications Manager Multiple Vulnerabilities Vendor: Cisco Vendor URL: http://www.cisco.com/ Versions affected: Summary: ------...

Oracle iPlanet Web Proxy Server 4.0.x < 4.0.26 NSS Signature Handling Remote Code Injection

According to its self-reported version, the Oracle iPlanet Web Proxy Server formerly known as Sun Java System Web Proxy Server installed on the remote host is version 4.0.x prior to 4.0.26. It is, therefore, affected by a flaw in the definitelengthdecoder function in the Network Security Services...

USN-2673-1 thunderbird vulnerabilities

Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property...

Mozilla Network Security Services Encryption Issue Vulnerability

Mozilla Firefox, Firefox ESR, and Thunderbird are all developed by the Mozilla Foundation in the U.S. Firefox is an open-source web browser; Firefox ESR is an extended support version of Firefox; and Thunderbird is a separate email client from the Mozilla Application Suite. Thunderbird is a...

Firefox ESR < 31.8 Multiple Vulnerabilities (Mac OS X) (Logjam)

The version of Firefox ESR installed on the remote Mac OS X host i prior to 31.8. It is, therefore, affected by multiple vulnerabilities : - A security downgrade vulnerability exists due to a flaw in Network Security Services NSS. When a client allows for a ECDHEECDSA exchange, but the server doe...

Firefox ESR < 31.8 Multiple Vulnerabilities (Logjam)

The version of Firefox ESR installed on the remote Windows host is prior to 31.8. It is, therefore, affected by multiple vulnerabilities : - A security downgrade vulnerability exists due to a flaw in Network Security Services NSS. When a client allows for a ECDHEECDSA exchange, but the server doe...

Firefox < 39.0 Multiple Vulnerabilities (Logjam)

The version of Firefox installed on the remote Windows host is prior to 39.0. It is, therefore, affected by multiple vulnerabilities : - A security downgrade vulnerability exists due to a flaw in Network Security Services NSS. When a client allows for a ECDHEECDSA exchange, but the server does no...

Firefox ESR < 38.1 Multiple Vulnerabilities (Logjam)

The version of Firefox ESR installed on the remote Windows host is prior to 38.1. It is, therefore, affected by multiple vulnerabilities : - A security downgrade vulnerability exists due to a flaw in Network Security Services NSS. When a client allows for a ECDHEECDSA exchange, but the server doe...

CVE-2015-2730

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 ECDS...

DEBIAN-CVE-2015-2730

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 ECDS...

CVE-2015-2721

Mozilla Network Security Services NSS before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle...

DEBIAN-CVE-2015-2721

Mozilla Network Security Services NSS before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle...

Updated firefox package fixes security vulnerability

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox CVE-2015-2722, CVE-2015-2724, CVE-2015-2728, CVE-2015-2733,...

CVE-2015-2721

Mozilla Network Security Services NSS before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle...

UBUNTU-CVE-2015-2721

Mozilla Network Security Services NSS before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle...

NSS accepts export-length DHE keys with regular DHE cipher suites — Mozilla

Security researcher Matthew Green reported a Diffie–Hellman DHE key processing issue in Network Security Services NSS where a man-in-the-middle MITM attacker can force a server to downgrade TLS connections to 512-bit export-grade cryptography by modifying client requests to include only...

Cisco Acquires OpenDNS for $635 Million

Cisco continues to spend on security, today announcing its intent to acquire San Francisco-based OpenDNS for $635 million. OpenDNS’ domain name system and cloud-based security services bring threat data collected from those platforms to Cisco’s security offerings. “To build on Cisco’s advanced...