drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in EDK
Name: |
Zwei Probleme in EDK |
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ID: |
USN-4923-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 20.04 LTS, Ubuntu 20.10 |
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Datum: |
Di, 20. April 2021, 23:00 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28211
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28210 |
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Applikationen: |
EDK |
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Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --KjbYSmpugVDrEEwqBn875bdCXvtXgoS4K Content-Type: multipart/mixed; boundary="F6ZDBlbiyO5f3Gy2k1FOM6k9O5qbDZZSZ"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <ae74eb80-5501-fcdc-729a-1435a6f3b877@canonical.com> Subject: [USN-4923-1] EDK II vulnerabilities
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========================================================================== Ubuntu Security Notice USN-4923-1 April 20, 2021
edk2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10 - Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in EDK II.
Software Description: - edk2: UEFI firmware for virtual machines
Details:
Laszlo Ersek discovered that EDK II incorrectly handled recursion. A remote attacker could possibly use this issue to cause EDK II to consume resources, leading to a denial of service. (CVE-2021-28210)
Satoshi Tanda discovered that EDK II incorrectly handled decompressing certain images. A remote attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-28211)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.10: ovmf 2020.05-5ubuntu0.2 qemu-efi 2020.05-5ubuntu0.2 qemu-efi-aarch64 2020.05-5ubuntu0.2 qemu-efi-arm 2020.05-5ubuntu0.2
Ubuntu 20.04 LTS: ovmf 0~20191122.bd85bf54-2ubuntu3.2 qemu-efi 0~20191122.bd85bf54-2ubuntu3.2 qemu-efi-aarch64 0~20191122.bd85bf54-2ubuntu3.2 qemu-efi-arm 0~20191122.bd85bf54-2ubuntu3.2
After a standard system update you need to restart the virtual machines that use the affected firmware to make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-4923-1 CVE-2021-28210, CVE-2021-28211
Package Information: https://launchpad.net/ubuntu/+source/edk2/2020.05-5ubuntu0.2 https://launchpad.net/ubuntu/+source/edk2/0~20191122.bd85bf54-2ubuntu3.2
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