Path traversal in Babel
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-42771 |
| CWE-ID | CWE-22 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Babel Web applications / Modules and components for CMS |
| Vendor | The Babel Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Path traversal
EUVDB-ID: #VU66467
Risk: Medium
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42771
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to user compromise the affected system.
The vulnerability exists due to input validation error when processing directory traversal sequences within the locale .dat files in Babel.Locale. A remote user can load a malicious .dat file containing serialized Python objects and execute arbitrary code on the system.
Install update from vendor's website.
Vulnerable software versionsBabel: 2.0 - 2.9.0
External linkshttp://www.tenable.com/security/research/tra-2021-14
http://lists.debian.org/debian-lts/2021/10/msg00040.html
http://github.com/python-babel/babel/pull/782
http://lists.debian.org/debian-lts-announce/2021/10/msg00018.html
http://www.debian.org/security/2021/dsa-5018
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
