Vulnerability Details : CVE-2017-7539

An assertion-failure flaw was found in Qemu before 2.10.1, in the Network Block Device (NBD) server's initial connection negotiation, where the I/O coroutine was undefined. This could crash the qemu-nbd server if a client sent unexpected data during connection negotiation. A remote user or process could use this flaw to crash the qemu-nbd server resulting in denial of service.
Published 2018-07-26 14:29:00
Updated 2023-02-12 23:30:39
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Products affected by CVE-2017-7539

Exploit prediction scoring system (EPSS) score for CVE-2017-7539

EPSS FAQ
3.97%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-7539

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST
5.3
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.9
1.4
 Red Hat, Inc.

CWE ids for CVE-2017-7539

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Secondary)
  • The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
    Assigned by: secalert@redhat.com (Primary)

References for CVE-2017-7539

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