3463 matches found
Important: Red Hat Security Advisory: java-1.5.0-ibm security update
Updated java-1.5.0-ibm packages that fix several security issues are now available for Red Hat Enterprise Linux 5 and 6 Supplementary. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed...
SUSE SLED11 / SLES11 Security Update : libqt4 (SUSE-SU-2014:1121-1)
This update of the QT4 QSSL interface makes it select a set of default ciphers that is recommended for current usage. This update is needed for Konqueror to restrict its cipher set when using https. Note that Tenable Network Security has extracted the preceding description block directly from the...
UBUNTU-CVE-2015-4000
The TLS protocol 1.2 and earlier, when a DHEEXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHEEXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE replaced by DHEEXPORT and then...
CVE-2015-4000
The TLS protocol 1.2 and earlier, when a DHEEXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHEEXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE replaced by DHEEXPORT and then...
TLS and SSL Diffie-Hellman Key Downgrade Weakness (CVE-2015-1716; CVE-2015-4000)
A vulnerability has been detected in the way TLS protocol handles weak, legacy cipher suites. An attacker might leverage this vulnerability to intercept secure communications...
Weak SSL RC4 Cipher Suites (CVE-2013-2566; CVE-2015-2808)
RC4 is a widely supported stream cipher, often preferred by TLS servers and other servers using encrypted sessions. It has long been known to have a variety of cryptographic weaknesses. Recent cryptanalysis results, one of which is the "Bar Mitzvah attack", exploit biases in the RC4 keystream to...
openssl: only allow ephemeral RSA keys in export ciphersuites (FREAK)
It was discovered that OpenSSL would accept ephemeral RSA keys when using non-export RSA cipher suites. A malicious server could make a TLS/SSL client using OpenSSL use a weaker key exchange method...
SSL/TLS: "Invariance Weakness" vulnerability in RC4 stream cipher
The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic...
JDK: ephemeral RSA keys accepted for non-export SSL/TLS cipher suites (FREAK)
GSKit in IBM Tivoli Directory Server ITDS 6.0 before 6.0.0.73-ISS-ITDS-IF0073, 6.1 before 6.1.0.66-ISS-ITDS-IF0066, 6.2 before 6.2.0.42-ISS-ITDS-IF0042, and 6.3 before 6.3.0.35-ISS-ITDS-IF0035 and IBM Security Directory Server ISDS 6.3.1 before 6.3.1.9-ISS-ISDS-IF0009 does not properly restrict T...
Critical: Red Hat Security Advisory: java-1.6.0-ibm security update
Updated java-1.6.0-ibm packages that fix several security issues are now available for Red Hat Enterprise Linux 5 and 6 Supplementary. Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed...
SSL/TLS: "Invariance Weakness" vulnerability in RC4 stream cipher
The RC4 algorithm, as used in the TLS protocol and SSL protocol, does not properly combine state data with key data during the initialization phase, which makes it easier for remote attackers to conduct plaintext-recovery attacks against the initial bytes of a stream by sniffing network traffic...
Microsoft Brings Perfect Forward Secrecy to Windows
Microsoft yesterday added four cryptographic cipher suites to its default priority ordering list in Windows, a move that brings Perfect Forward Secrecy to the operating system. Update 3042058 is available for now only on the Microsoft Download Center, affording users the opportunity to test the...
RHEL 5 : java-1.7.0-ibm (RHSA-2015:1007) (Bar Mitzvah)
Updated java-1.7.0-ibm packages that fix several security issues are now available for Red Hat Enterprise Linux 5 Supplementary. Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...
MS KB3042058: Update to Default Cipher Suite Priority Order
The remote Windows host is missing an update to the cryptographic cipher suite prioritization. The update adds additional cipher suites and improves cipher suite priority ordering. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid83359; scriptversion"1.3";...
Microsoft security advisory: Update to default cipher suite priority order: May 12, 2015
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Vulnerability in RC4 stream cipher affects AIX,Vulnerability in RC4 stream cipher affects ftpd/sendmail_ssl/imapd/popd on AIX,Vulnerability in RC4 stream cipher affects ftpd/sendmail_ssl/imapd/popd on VIOS
IBM SECURITY ADVISORY First Issued: Mon Apr 27 15:27:04 CDT 2015 | Updated: Tue Dec 15 11:54:19 CST 2015 | Update: Added all information for ftpd, sendmailssl, imapd, and popd The most recent version of this document is available here: http://aix.software.ibm.com/aix/efixes/security/rc4advisory.a...
Oracle Linux 5 : openssl (ELSA-2015-0800)
The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-0800 advisory. - fix CVE-2014-8275 without introduction of CVE-2015-0286 - various certificate fingerprint issues - fix CVE-2015-0204 - remove support for RSA ephemer...
openssl: assertion failure in SSLv2 servers
A denial of service flaw was found in the way OpenSSL handled SSLv2 handshake messages. A remote attacker could use this flaw to cause a TLS/SSL server using OpenSSL to exit on a failed assertion if it had both the SSLv2 protocol and EXPORT-grade cipher suites enabled...
openssl: only allow ephemeral RSA keys in export ciphersuites (FREAK)
It was discovered that OpenSSL would accept ephemeral RSA keys when using non-export RSA cipher suites. A malicious server could make a TLS/SSL client using OpenSSL use a weaker key exchange method...