Denial of Service in libxml2
ID: | USN-3504-1 |
Distribution: | Ubuntu |
Plattformen: | Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04, Ubuntu 17.10 |
Datum: | Di, 5. Dezember 2017, 16:39 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16932 |
Applikationen: | libxml2 |
Originalnachricht |
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--===============3609096140600629973== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-+CMHsvnrRrfFL3iI6a+z" --=-+CMHsvnrRrfFL3iI6a+z Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 ========================================================================== Ubuntu Security Notice USN-3504-1 December 05, 2017 libxml2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 17.10 - Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: libxml2 could be made to crash if it opened a specially crafted file. Software Description: - libxml2: GNOME XML library Details: Wei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.10: libxml2 2.9.4+dfsg1-4ubuntu1.1 libxml2-utils 2.9.4+dfsg1-4ubuntu1.1 python-libxml2 2.9.4+dfsg1-4ubuntu1.1 python3-libxml2 2.9.4+dfsg1-4ubuntu1.1 Ubuntu 17.04: libxml2 2.9.4+dfsg1-2.2ubuntu0.2 libxml2-utils 2.9.4+dfsg1-2.2ubuntu0.2 python-libxml2 2.9.4+dfsg1-2.2ubuntu0.2 python3-libxml2 2.9.4+dfsg1-2.2ubuntu0.2 Ubuntu 16.04 LTS: libxml2 2.9.3+dfsg1-1ubuntu0.4 libxml2-utils 2.9.3+dfsg1-1ubuntu0.4 python-libxml2 2.9.3+dfsg1-1ubuntu0.4 Ubuntu 14.04 LTS: libxml2 2.9.1+dfsg1-3ubuntu4.11 libxml2-utils 2.9.1+dfsg1-3ubuntu4.11 python-libxml2 2.9.1+dfsg1-3ubuntu4.11 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3504-1 CVE-2017-16932 Package Information: https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-4ubuntu1.1 https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-2.2ubuntu0.2 https://launchpad.net/ubuntu/+source/libxml2/2.9.3+dfsg1-1ubuntu0.4 https://launchpad.net/ubuntu/+source/libxml2/2.9.1+dfsg1-3ubuntu4.11 |