Known Exploited Vulnerability
7.8
HIGH
CVE-2018-20250
WinRAR Absolute Path Traversal Vulnerability - [Actively Exploited]
Description

In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.

INFO

Published Date :

Feb. 5, 2019, 8:29 p.m.

Last Modified :

July 24, 2024, 4:05 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

WinRAR Absolute Path Traversal vulnerability leads to Remote Code Execution

Required Action :

Apply updates per vendor instructions.

Public PoC/Exploit Available at Github

CVE-2018-20250 has a 117 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-20250 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Rarlab winrar
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-20250.

URL Resource
http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html Exploit Third Party Advisory VDB Entry
http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace Third Party Advisory
http://www.securityfocus.com/bid/106948 Broken Link Third Party Advisory VDB Entry
https://github.com/blau72/CVE-2018-20250-WinRAR-ACE Exploit Third Party Advisory
https://research.checkpoint.com/extracting-code-execution-from-winrar/ Exploit Press/Media Coverage Third Party Advisory
https://www.exploit-db.com/exploits/46552/ Exploit VDB Entry Third Party Advisory
https://www.exploit-db.com/exploits/46756/ Exploit VDB Entry Third Party Advisory
https://www.win-rar.com/whatsnew.html Release Notes

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python Batchfile PowerShell VBScript

Updated: 4 days, 23 hours ago
0 stars 0 fork 0 watcher
Born at : Nov. 19, 2024, 4:50 p.m. This repo has been linked 6 different CVEs too.

None

C#

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 6, 2024, 9:01 p.m. This repo has been linked 1 different CVEs too.

None

Python

Updated: 6 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : April 26, 2024, 1:18 a.m. This repo has been linked 1 different CVEs too.

渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 3 months, 3 weeks ago
4 stars 0 fork 0 watcher
Born at : Feb. 7, 2024, 2:08 p.m. This repo has been linked 305 different CVEs too.

None

Updated: 10 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 21, 2024, 4:57 p.m. This repo has been linked 6 different CVEs too.

None

Python

Updated: 10 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : Dec. 26, 2023, 11:01 a.m. This repo has been linked 1 different CVEs too.

None

Python C

Updated: 11 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Dec. 8, 2023, 6:36 a.m. This repo has been linked 1 different CVEs too.

RedTeam link

Updated: 7 months ago
1 stars 0 fork 0 watcher
Born at : Nov. 7, 2023, 2:12 p.m. This repo has been linked 34 different CVEs too.

soapffz 个人博客blog的历史文章备份

Python

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Nov. 3, 2023, 3:27 a.m. This repo has been linked 2 different CVEs too.

DayOne: Critical Vulnerability Root Cause Analysis Platform

Python JavaScript Ruby HTML Assembly Makefile C Objective-C Shell Dockerfile

Updated: 1 year, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 15, 2023, 2:18 p.m. This repo has been linked 61 different CVEs too.

soapffz 个人博客blog的历史文章备份

Python

Updated: 1 year ago
1 stars 1 fork 1 watcher
Born at : Aug. 16, 2023, 1:06 p.m. This repo has been linked 2 different CVEs too.

100 Best Free Red Team Tools – 2023

Updated: 1 year, 5 months ago
0 stars 1 fork 1 watcher
Born at : June 11, 2023, 11:40 a.m. This repo has been linked 6 different CVEs too.

None

Shell

Updated: 2 months, 2 weeks ago
3 stars 2 fork 2 watcher
Born at : March 23, 2023, 4:32 a.m. This repo has been linked 435 different CVEs too.

None

Shell

Updated: 2 months, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : March 19, 2023, 1:53 a.m. This repo has been linked 265 different CVEs too.

its fork winafl

CMake C PLpgSQL C++ JavaScript Rich Text Format Python

Updated: 1 year, 8 months ago
1 stars 0 fork 0 watcher
Born at : Feb. 28, 2023, 9:43 a.m. This repo has been linked 165 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-20250 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-20250 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jul. 24, 2024

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html Third Party Advisory, VDB Entry http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/106948 Third Party Advisory, VDB Entry http://www.securityfocus.com/bid/106948 Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type https://research.checkpoint.com/extracting-code-execution-from-winrar/ Exploit, Third Party Advisory https://research.checkpoint.com/extracting-code-execution-from-winrar/ Exploit, Press/Media Coverage, Third Party Advisory
    Changed Reference Type https://www.win-rar.com/whatsnew.html Vendor Advisory https://www.win-rar.com/whatsnew.html Release Notes
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE Check Point Software Technologies Ltd. CWE-36
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-20 CWE-22 CWE-22
  • Modified Analysis by [email protected]

    Apr. 26, 2019

    Action Type Old Value New Value
    Changed Reference Type http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace No Types Assigned http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace Third Party Advisory
    Changed Reference Type http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/46552/ Exploit, Third Party Advisory https://www.exploit-db.com/exploits/46552/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/46756/ No Types Assigned https://www.exploit-db.com/exploits/46756/ Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Apr. 25, 2019

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/46756/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 25, 2019

    Action Type Old Value New Value
    Added Reference http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 24, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Changed Reference Type https://research.checkpoint.com/extracting-code-execution-from-winrar/ No Types Assigned https://research.checkpoint.com/extracting-code-execution-from-winrar/ Exploit, Third Party Advisory
    Changed Reference Type https://www.exploit-db.com/exploits/46552/ No Types Assigned https://www.exploit-db.com/exploits/46552/ Exploit, Third Party Advisory
    Changed Reference Type https://github.com/blau72/CVE-2018-20250-WinRAR-ACE No Types Assigned https://github.com/blau72/CVE-2018-20250-WinRAR-ACE Exploit, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/106948 Third Party Advisory http://www.securityfocus.com/bid/106948 Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/46552/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 15, 2019

    Action Type Old Value New Value
    Added Reference https://github.com/blau72/CVE-2018-20250-WinRAR-ACE [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 14, 2019

    Action Type Old Value New Value
    Changed Description By crafting the filename field of the ACE format, the destination folder (extraction folder) is ignored, and the relative path in the filename field becomes an absolute Path. This logical bug, allows the extraction of a file to an arbitrary location which is effectively code execution. In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.
    Added Reference https://research.checkpoint.com/extracting-code-execution-from-winrar/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 22, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/106948 No Types Assigned http://www.securityfocus.com/bid/106948 Third Party Advisory
    Changed Reference Type https://www.win-rar.com/whatsnew.html No Types Assigned https://www.win-rar.com/whatsnew.html Vendor Advisory
    Added CWE CWE-20
    Added CPE Configuration OR *cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:* versions up to (including) 5.61
  • CVE Modified by [email protected]

    Feb. 09, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/106948 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-20250 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

97.42 }} 0.08%

score

0.99954

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability