Vulnerability Details : CVE-2020-1711

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host.
Published 2020-02-11 20:15:11
Updated 2022-04-05 14:49:13
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionDenial of service

Products affected by CVE-2020-1711

Threat overview for CVE-2020-1711

Top countries where our scanners detected CVE-2020-1711
Top open port discovered on systems with this issue 53
IPs affected by CVE-2020-1711 676,177
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-1711!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-1711

EPSS FAQ
0.67%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-1711

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.0
 MEDIUM AV:N/AC:M/Au:S/C:P/I:P/A:P
6.8
6.4
 NIST
7.7
 HIGH CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
1.8
5.3
 Red Hat, Inc.
6.0
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
1.8
3.7
 NIST

CWE ids for CVE-2020-1711

  • A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
    Assigned by: secalert@redhat.com (Secondary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-1711

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