Known Exploited Vulnerability
7.5
HIGH
CVE-2020-36193
PEAR Archive_Tar Improper Link Resolution Vulnerab - [Actively Exploited]
Description

Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.

INFO

Published Date :

Jan. 18, 2021, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 5:28 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
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 :

PEAR Archive_Tar Tar.php allows write operations with directory traversal due to inadequate checking of symbolic links. PEAR stands for PHP Extension and Application Repository and it is an open-source framework and distribution system for reusable PHP components with known usage in third-party products such as Drupal Core and Red Hat Linux.

Required Action :

Apply updates per vendor instructions.

Notes :

https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916, https://www.drupal.org/sa-core-2021-001, https://access.redhat.com/security/cve/cve-2020-36193; https://nvd.nist.gov/vuln/detail/CVE-2020-36193

Public PoC/Exploit Available at Github

CVE-2020-36193 has a 2 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-2020-36193 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 Php pear
2 Php archive_tar
1 Fedoraproject fedora
1 Debian debian_linux
1 Drupal drupal
: Total Affected Vendor : 4 | Products : 5
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-2020-36193.

URL Resource
https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 Patch
https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ Broken Link
https://security.gentoo.org/glsa/202101-23 Third Party Advisory
https://www.debian.org/security/2021/dsa-4894 Third Party Advisory
https://www.drupal.org/sa-core-2021-001 Third Party Advisory
https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 Patch
https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ Broken Link
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ Broken Link
https://security.gentoo.org/glsa/202101-23 Third Party Advisory
https://www.debian.org/security/2021/dsa-4894 Third Party Advisory
https://www.drupal.org/sa-core-2021-001 Third Party Advisory

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).

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Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 weeks, 2 days ago
548 stars 35 fork 35 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1228 different CVEs too.
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n0-traces/cve_monitor

Automatic monitor github cve using Github Actions

Python

Updated: 1 month, 2 weeks ago
1 stars 57 fork 57 watcher
Born at : April 7, 2021, 11:16 a.m. This repo has been linked 1008 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-2020-36193 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-36193 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916
    Added Reference https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html
    Added Reference https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/
    Added Reference https://security.gentoo.org/glsa/202101-23
    Added Reference https://www.debian.org/security/2021/dsa-4894
    Added Reference https://www.drupal.org/sa-core-2021-001
  • Modified Analysis by [email protected]

    Jun. 28, 2024

    Action Type Old Value New Value
    Changed Reference Type https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 Patch, Third Party Advisory https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 Patch
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ Broken Link
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ Broken Link
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ Broken Link
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ Broken Link
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/
  • Modified Analysis by [email protected]

    Jan. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 25, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 19, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ [No Types Assigned]
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-22 CWE-22 CWE-59
  • Modified Analysis by [email protected]

    Apr. 23, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2021/dsa-4894 No Types Assigned https://www.debian.org/security/2021/dsa-4894 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 21, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-4894 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 08, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jan. 29, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202101-23 No Types Assigned https://security.gentoo.org/glsa/202101-23 Third Party Advisory
    Changed Reference Type https://www.drupal.org/sa-core-2021-001 No Types Assigned https://www.drupal.org/sa-core-2021-001 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 7.0 up to (excluding) 7.78 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 8.9.0 up to (excluding) 8.9.13 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.11 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 9.1.0 up to (excluding) 9.1.3
  • CVE Modified by [email protected]

    Jan. 28, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 27, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference https://www.drupal.org/sa-core-2021-001 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html [No Types Assigned]
    Added Reference https://security.gentoo.org/glsa/202101-23 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 22, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 No Types Assigned https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916 Patch, Third Party Advisory
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:php:archive_tar:*:*:*:*:*:*:*:* versions up to (including) 1.4.11
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.
Exploit Prediction

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

94.87 }} 6.14%

score

0.99459

percentile

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