CVE Vulnerability

CVE-2021-28940

Because of a incorrect escaped exec command in MagpieRSS in 0.72 in the /extlib/Snoopy.class.inc file, it is possible to add a extra command to the curl binary. This creates an issue on the /scripts/magpie_debug.php and /scripts/magpie_simple.php page that if you send a specific https url in the RSS URL field, you are able to execute arbitrary commands.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/kellan/magpierss/blob/04d2a88b97fdba5813d01dc0d56c772d97360bb5/extlib/Snoopy.class.inc#L660 Third Party Advisory
https://pastebin.com/kpzHKKJu Exploit Third Party Advisory
https://www.exploit-db.com/exploits/49643 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:magpierss_project:magpierss:0.72:*:*:*:*:*:*:*
Information

Published : 2021-04-02 08:15

Updated : 2022-12-13 04:34

NVD link : CVE-2021-28940

Mitre link : CVE-2021-28940

Products Affected
No products.
CWE
CWE-116

Improper Encoding or Escaping of Output