Vulnerability Details : 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.
Products affected by CVE-2021-28940
- cpe:2.3:a:magpierss_project:magpierss:0.72:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28940
51.62%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28940
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-28940
-
The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28940
-
https://pastebin.com/kpzHKKJu
MagpieRSS 0.72 Command injection/code injection and Internal Server side request forgery. - Pastebin.comExploit;Third Party Advisory
-
https://github.com/kellan/magpierss/blob/04d2a88b97fdba5813d01dc0d56c772d97360bb5/extlib/Snoopy.class.inc#L660
magpierss/Snoopy.class.inc at 04d2a88b97fdba5813d01dc0d56c772d97360bb5 · kellan/magpierss · GitHubThird Party Advisory
-
https://www.exploit-db.com/exploits/49643
MagpieRSS 0.72 - 'url' Command Injection and Server Side Request Forgery - PHP webapps ExploitExploit;Third Party Advisory;VDB Entry
Jump to