OS Command Injection in CPython - CVE-2015-20107

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Main Vulnerability Database Vulnerabilities #VU64573

OS Command Injection in CPython - CVE-2015-20107

Published: June 22, 2022


Vulnerability identifier: #VU64573
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2015-20107
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Python.org
Affected software:
CPython

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the mailcap module, which does not escape characters into commands discovered in the system mailcap file. A remote unauthenticated attacker can pass specially crafted data to the applications that call mailcap.findmatch with untrusted input and execute arbitrary OS commands on the target system.



How to mitigate CVE-2015-20107

Install updates from vendor's website.

Sources