drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in NSS
Name: |
Zwei Probleme in NSS |
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ID: |
USN-3270-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 16.10, Ubuntu 17.04 |
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Datum: |
Do, 27. April 2017, 23:53 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5461
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2183 |
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Applikationen: |
NSS |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============6336929526479772883== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Hike8GTH3pwhgp5O7H8Oueaa20PakMbgQ"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Hike8GTH3pwhgp5O7H8Oueaa20PakMbgQ Content-Type: multipart/mixed; boundary="mVBi2QwAUCrdKVTPmL6Tn8sSXTVqLRFa0" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <672d9c2e-6075-5ffa-d626-c6c6c88ba4e1@canonical.com> Subject: [USN-3270-1] NSS vulnerabilities
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========================================================================== Ubuntu Security Notice USN-3270-1 April 27, 2017
nss vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04 - Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in NSS.
Software Description: - nss: Network Security Service library
Details:
Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update causes NSS to limit use of the same symmetric key. (CVE-2016-2183)
It was discovered that NSS incorrectly handled Base64 decoding. A remote attacker could use this flaw to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-5461)
This update refreshes the NSS package to version 3.28.4 which includes the latest CA certificate bundle.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.04: libnss3 2:3.28.4-0ubuntu0.17.04.1
Ubuntu 16.10: libnss3 2:3.28.4-0ubuntu0.16.10.1
Ubuntu 16.04 LTS: libnss3 2:3.28.4-0ubuntu0.16.04.1
Ubuntu 14.04 LTS: libnss3 2:3.28.4-0ubuntu0.14.04.1
This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart any applications that use NSS, such as Evolution and Chromium, to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-3270-1 CVE-2016-2183, CVE-2017-5461
Package Information: https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.17.04.1 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.10.1 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.1 https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.14.04.1
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