CVE-2019-9785 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

gitnote 3.1.0 allows remote attackers to execute arbitrary code via a crafted Markdown file, as demonstrated by a javascript:window.parent.top.require('child_process').execFile substring in the onerror attribute of an IMG element.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gitnoteapp	Gitnote	3.1.0

Related Weaknesses (CWE)

CWE-78

References

https://github.com/CCCCCrash/POCs/tree/master/Web/gitnoteExploitThird Party Advisory
https://github.com/zhaopengme/gitnote/issues/209ExploitThird Party Advisory
https://github.com/CCCCCrash/POCs/tree/master/Web/gitnoteExploitThird Party Advisory
https://github.com/zhaopengme/gitnote/issues/209ExploitThird Party Advisory

FAQ

What is CVE-2019-9785?

CVE-2019-9785 is a vulnerability with a CVSS score of 7.8 (HIGH). gitnote 3.1.0 allows remote attackers to execute arbitrary code via a crafted Markdown file, as demonstrated by a javascript:window.parent.top.require('child_process').execFile substring in the onerro...

How severe is CVE-2019-9785?

CVE-2019-9785 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-9785?

Check the references section above for vendor advisories and patch information. Affected products include: Gitnoteapp Gitnote.