Vulnerability Details : CVE-2018-0721
Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.
Vulnerability category: Overflow
Products affected by CVE-2018-0721
- cpe:2.3:o:qnap:qts:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.2.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-0721
0.63%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-0721
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
|
7.7
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L |
1.8
|
5.3
|
QNAP Systems, Inc. |
CWE ids for CVE-2018-0721
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: security@qnapsecurity.com.tw (Secondary)
References for CVE-2018-0721
-
https://www.qnap.com/zh-tw/security-advisory/nas-201809-20
Security Advisory for Vulnerabilities in QTS - Technical Advisory | QNAPVendor Advisory
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