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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:260507
Version
1
Class
vulnerability
ALTXid
493683
Language
Russian
Severity
High
Title
Sber -- уязвимость в QEMU (CVE-2021-4206)
Description
A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.; A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.
Family
unix
Platform
SberLinux 8
Product
QEMU
Reference
CVE: CVE-2021-4206
CVE: CVE-2021-4206
Id:
CVE-2021-4206
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4206
Comment
: A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.2
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE:
190 (Integer Overflow or Wraparound)
References:
https://starlabs.sg/advisories/21-4206/ (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=2036998 (MISC)
DSA-5133 (DEBIAN)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
VENDOR: RHSA-2022:5821
VENDOR: RHSA-2022:5821
Id:
RHSA-2022:5821
Reference:
https://access.redhat.com/errata/RHSA-2022:5821
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