anySign directory traversal vulnerability
CVE-2020-7882

7.5HIGH

Key Information:

Vendor

Hancomwith

Status
Anysign4pc
Vendor
CVE Published:
22 November 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-7882?

Using the parameter of getPFXFolderList function, attackers can see the information of authorization certification and delete the files. It occurs because the parameter contains path traversal characters(ie. '../../../')

Affected Version(s)

anySign4PC Windows 1.1.1.0

anySign4PC Windows 1.1.2.6

anySign4PC Windows 1.1.2.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-7882
Created by HORKimhab

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_w...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.