Moderate: Red Hat Security Advisory: nss security update

Updated nss packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

nss security update

3.19.1-8.0.1 - Added nss-vendor.patch to change vendor 3.19.1-8 - Prevent TLS 1.2 Transcript Collision attacks against MD5 in key exchange protocol - Resolves: Bug 1289881...

mbedTLS/PolarSSL -- SLOTH attack on TLS 1.2 server authentication

ARM Limited reports: MD5 handshake signatures in TLS 1.2 are vulnerable to the SLOTH attack on TLS 1.2 server authentication. They have been disabled by default. Other attacks from the SLOTH paper do not apply to any version of mbed TLS or PolarSSL...

openSUSE Security Update : MozillaFirefox (openSUSE-2016-6) (SLOTH)

This update to MozillaFirefox 43.0.3 fixes the following issues : - CVE-2015-7575: MD5 signatures accepted within TLS 1.2 ServerKeyExchange in server signature, in combination wit NSS 3.20.2 boo959888 Further fixes : - workaround Youtube user agent detection issue bmo1233970 - fix file download...

CVE-2015-7575

Mozilla Network Security Services NSS before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof...

KLA10732 Security bypass vulnerability in Mozilla Firefox and Firefox ESR

Lack of security enforcement was found in Mozilla Firefox. By exploiting this vulnerability malicious users can conduct man-in-the-middle attack. This vulnerability can be exploited remotely via a collision-based attacks. Technical details This vulnerability caused by not rejecting MD5 signatures...

NSS -- MD5 downgrade in TLS 1.2 signatures

The Mozilla Project reports: Security researcher Karthikeyan Bhargavan reported an issue in Network Security Services NSS where MD5 signatures in the server signature within the TLS 1.2 ServerKeyExchange message are still accepted. This is an issue since NSS has officially disallowed the acceptin...

MD5 signatures accepted within TLS 1.2 ServerKeyExchange in server signature — Mozilla

Security researcher Karthikeyan Bhargavan reported an issue in Network Security Services NSS where MD5 signatures in the server signature within the TLS 1.2 ServerKeyExchange message are still accepted. This is an issue since NSS has officially disallowed the accepting MD5 as a hash algorithm in...

curl, libcurl security update

CentOS Errata and Security Advisory CESA-2015:2159 Updated curl packages that fix multiple security issues, several bugs, and add two enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common...

Moderate: Red Hat Security Advisory: curl security, bug fix, and enhancement update

Updated curl packages that fix multiple security issues, several bugs, and add two enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give...

CVE-2009-3243

Unspecified vulnerability in the TLS dissector in Wireshark 1.2.0 and 1.2.1, when running on Windows, allows remote attackers to cause a denial of service application crash via unknown vectors related to TLS 1.2 conversations...

October 2015 Microsoft Patch Tuesday Security Bulletins

Microsoft’s monthly release of security bulletins today is a relatively light load of patches to be tested and deployed. The real news, however, could be in a separate advisory in which it continues to deprecate the outdated RC4 encryption algorithm. Following its initial advisory in May that...

Google to Disable Weak SSLv3 and RC4 Protocols to Boost Internet Security

It is finally time to say GoodBye to the old and insecure Web security protocols. Citing the long history of weaknesses in the Secure Sockets Layer SSL 3.0 cryptographic protocol and the RC4 Cipher Suite, Google plans to disable support for both SSLv3 as well as RC4 stream cipher in its front-end...

Google Outlines Plans to Deprecate RC4, SSLv3

As expected, Google formally announced its intent to move away from the stream cipher RC4 and the SSLv3 protocol this week, citing a long history of weaknesses in both. Adam Langley, a security engineer for the company, announced the plans through a blog post on Thursday. While there isn’t a...

curl security, bug fix, and enhancement update

7.19.7-46 - require credentials to match for NTLM re-use CVE-2015-3143 - close Negotiate connections when done CVE-2015-3148 7.19.7-45 - reject CRLFs in URLs passed to proxy CVE-2014-8150 7.19.7-44 - use only full matches for hosts used as IP address in cookies CVE-2014-3613 - fix handling of...

IETF Officially Deprecates SSLv3

Attacks such as POODLE and BEAST not only caused some sleepless nights for server admins having to patch against the respective weaknesses, but they also accelerated SSLV3 deprecation. In the time since both attacks were disclosed, major browsers have removed the fallback condition that enabled t...

OpenSSL ClientHello signature_algorithms Extension Denial of Service (CVE-2015-0291)

A denial of service vulnerability exists in OpenSSL. The vulnerability is due to a null pointer dereference when an OpenSSL server application, during renegotiation, receives and processes an invalid signaturealgorithms extension in a Client Hello handshake message. A remote, unauthenticated...

ipa security, bug fix, and enhancement update

4.1.0-18.0.1 - Replace login-screen-logo.png 20362818 - Drop subscription-manager requires for OL7 - Drop redhat-access-plugin-ipa requires for OL7 - Blank out header-logo.png product-name.png 4.1.0-18 - Fix ipa-pwd-extop global configuration caching 1187342 - group-detach does not add correct...

Fedora 19 : curl-7.29.0-27.fc19 (2014-16690)

make CURLOPTLOWSPEEDLIMIT work again with threaded resolver 1172572 - allow to use TLS 1.1 and TLS 1.2 1153814 - disable libcurl-level downgrade to SSLv3 1166567 - low-speed-limit: avoid timeout flood 1166239 - fix handling of CURLOPTCOPYPOSTFIELDS in curleasyduphandle CVE-2014-3707 Note that...

Fedora 20 : curl-7.32.0-17.fc20 (2014-16538)

make CURLOPTLOWSPEEDLIMIT work again with threaded resolver 1172572 - allow to use TLS 1.1 and TLS 1.2 1153814 - disable libcurl-level downgrade to SSLv3 1166567 - low-speed-limit: avoid timeout flood 1166239 - fix handling of CURLOPTCOPYPOSTFIELDS in curleasyduphandle CVE-2014-3707 Note that...