Vulnerability Details : CVE-2020-7877
A buffer overflow issue was discovered in ZOOK solution(remote administration tool) through processing 'ConnectMe' command while parsing a crafted OUTERIP value because of missing boundary check. This vulnerability allows the attacker to execute remote arbitrary command.
Vulnerability category: Overflow
Products affected by CVE-2020-7877
- cpe:2.3:a:mastersoft:zook_agent:2.0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:mastersoft:zook_viewer:2.0.4.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7877
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7877
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
8.0
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
KrCERT/CC |
CWE ids for CVE-2020-7877
-
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:
- nvd@nist.gov (Primary)
- vuln@krcert.or.kr (Secondary)
References for CVE-2020-7877
-
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36216
KrCERT/CC - KISA 인터넷 보호나라&KrCERTThird Party Advisory
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