Vulnerability Details : CVE-2022-43662
Kernel subsystem within OpenHarmony-v3.1.4 and prior versions in kernel_liteos_a has a kernel stack overflow vulnerability when call SysTimerGettime. 4 bytes padding data from kernel stack are copied to user space incorrectly and leaked.
Products affected by CVE-2022-43662
- cpe:2.3:a:openharmony:openharmony:*:*:*:*:*:*:*:*
- Openatom » Openharmony » LTS EditionVersions from including (>=) 3.0 and up to, including, (<=) 3.0.6cpe:2.3:o:openatom:openharmony:*:*:*:*:lts:*:*:*
- Openatom » Openharmony » LTS EditionVersions from including (>=) 1.1.0 and up to, including, (<=) 1.1.5cpe:2.3:o:openatom:openharmony:*:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-43662
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-43662
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
4.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
2.5
|
1.4
|
OpenHarmony |
CWE ids for CVE-2022-43662
-
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: scy@openharmony.io (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-2022-43662
-
https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-12.md
en/security-disclosure/2022/2022-12.md ยท OpenHarmony/security - GiteeThird Party Advisory
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