drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in libxml2
Name: |
Mehrere Probleme in libxml2 |
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ID: |
USN-3424-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04 |
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Datum: |
Di, 19. September 2017, 07:32 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0663
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7375
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9050
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9047
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9049
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7376
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9048 |
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Applikationen: |
libxml2 |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3424-1 September 19, 2017
libxml2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in libxml2.
Software Description: - libxml2: GNOME XML library
Details:
It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially construct XML data that could cause a denial of service or possibly execute arbitrary code. (CVE-2017-0663)
It was discovered that libxml2 did not properly validate parsed entity references. An attacker could use this to specially construct XML data that could expose sensitive information. (CVE-2017-7375)
It was discovered that a buffer overflow existed in libxml2 when handling HTTP redirects. An attacker could use this to specially construct XML data that could cause a denial of service or possibly execute arbitrary code. (CVE-2017-7376)
Marcel Böhme and Van-Thuan Pham discovered a buffer overflow in libxml2 when handling elements. An attacker could use this to specially construct XML data that could cause a denial of service or possibly execute arbitrary code. (CVE-2017-9047)
Marcel Böhme and Van-Thuan Pham discovered a buffer overread in libxml2 when handling elements. An attacker could use this to specially construct XML data that could cause a denial of service. (CVE-2017-9048)
Marcel Böhme and Van-Thuan Pham discovered multiple buffer overreads in libxml2 when handling parameter-entity references. An attacker could use these to specially construct XML data that could cause a denial of service. (CVE-2017-9049, CVE-2017-9050)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.04: libxml2 2.9.4+dfsg1-2.2ubuntu0.1
Ubuntu 16.04 LTS: libxml2 2.9.3+dfsg1-1ubuntu0.3
Ubuntu 14.04 LTS: libxml2 2.9.1+dfsg1-3ubuntu4.10
In general, a standard system update will make all the necessary changes.
References: https://www.ubuntu.com/usn/usn-3424-1 CVE-2017-0663, CVE-2017-7375, CVE-2017-7376, CVE-2017-9047, CVE-2017-9048, CVE-2017-9049, CVE-2017-9050
Package Information: https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-2.2ubuntu0.1 https://launchpad.net/ubuntu/+source/libxml2/2.9.3+dfsg1-1ubuntu0.3 https://launchpad.net/ubuntu/+source/libxml2/2.9.1+dfsg1-3ubuntu4.10
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