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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:149996
[Rus]
Version
3
Class
patch
ALTXid
351659
Language
English
Severity
Medium
Title
DLA-2623-1 -- qemu security update
Description
Several security vulnerabilities have been discovered in QEMU, a fast processor emulator.
Family
unix
Platform
Debian 9
Product
qemu
Reference
VENDOR: DLA-2623-1
VENDOR: DLA-2623-1
Id:
DLA-2623-1
Reference:
https://lists.debian.org/debian-lts-announce/2021/debian-lts-announce-202104/msg00009.html
CVE: CVE-2020-17380
CVE: CVE-2020-17380
Id:
CVE-2020-17380
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17380
Comment
: A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code with privileges of the QEMU process on the host.
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:
6.3
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CWE:
787 (Out-of-bounds Write)
References:
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg01175.html (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1862167 (CONFIRM)
[oss-security] 20210309 CVE-2021-3409 QEMU: sdhci: incomplete fix for CVE-2020-17380/CVE-2020-25085 (MLIST)
https://security.netapp.com/advisory/ntap-20210312-0003/ (CONFIRM)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
CVE: CVE-2021-3392
CVE: CVE-2021-3392
Id:
CVE-2021-3392
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3392
Comment
: A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas_free_request() that does not dequeue the request object 'req' from a pending requests queue. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. Versions between 2.10.0 and 5.2.0 are potentially affected.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
3.2
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
CWE:
416 (Use After Free)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1924042 (MISC)
https://bugs.launchpad.net/qemu/+bug/1914236 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20210507-0001/ (CONFIRM)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-3409
CVE: CVE-2021-3409
Id:
CVE-2021-3409
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3409
Comment
: The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.
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:
5.7
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
https://www.openwall.com/lists/oss-security/2021/03/09/1 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1928146 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20210507-0001/ (CONFIRM)
GLSA-202208-27 (GENTOO)
CVE: CVE-2021-3416
CVE: CVE-2021-3416
Id:
CVE-2021-3416
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3416
Comment
: A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1932827 (MISC)
https://www.openwall.com/lists/oss-security/2021/02/26/1 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20210507-0002/ (CONFIRM)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-20203
CVE: CVE-2021-20203
Id:
CVE-2021-20203
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20203
Comment
: An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
3.2
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
CWE:
190 (Integer Overflow or Wraparound)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1922441 (MISC)
https://bugs.launchpad.net/qemu/+bug/1913873 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-20255
CVE: CVE-2021-20255
Id:
CVE-2021-20255
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20255
Comment
: A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
674 (Uncontrolled Recursion)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1930646 (MISC)
https://www.openwall.com/lists/oss-security/2021/02/25/1 (MISC)
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20210507-0003/ (CONFIRM)
CVE: CVE-2021-20257
CVE: CVE-2021-20257
Id:
CVE-2021-20257
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20257
Comment
: An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html (MISC)
https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1930087 (MISC)
https://www.openwall.com/lists/oss-security/2021/02/25/2 (MISC)
https://security.netapp.com/advisory/ntap-20220425-0003/ (CONFIRM)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
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