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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:248918
[Rus]
Version
1
Class
patch
ALTXid
478956
Language
English
Severity
NotAvailable
Title
DSA-5624-1 -- edk2 security update
Description
Mate Kukri discovered the Debian build of EDK2, a UEFI firmware implementation, used an insecure default configuration which could result in Secure Boot bypass via the UEFI shell. This updates disables the UEFI shell if Secure Boot is used. For the oldstable distribution (bullseye), this problem has been fixed in version 2020.11-2+deb11u2. For the stable distribution (bookworm), this problem has been fixed in version 2022.11-6+deb12u1. This update also addresses several security issues in the ipv6 network stack (CVE-2022-36763, CVE-2022-36764, CVE-2022-36765, CVE-2023-45230, CVE-2023-45229, CVE-2023-45231, CVE-2023-45232, CVE-2023-45233, CVE-2023-45234, CVE-2023-45235)
Family
unix
Platform
Debian 11
Debian 12
Product
edk2
Reference
VENDOR: DSA-5624-1
VENDOR: DSA-5624-1
Id:
DSA-5624-1
Reference:
https://www.debian.org/security/dsa-5624
CVE: CVE-2023-48733
CVE: CVE-2023-48733
Id:
CVE-2023-48733
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-48733
Comment
: An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident attacker to bypass Secure Boot.
References:
https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 ()
https://nvd.nist.gov/vuln/detail/CVE-2023-48733 ()
https://www.openwall.com/lists/oss-security/2024/02/14/4 ()
https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 ()
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