CSV Injection in Symfony



Published: 2021-11-25
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41270
CWE-ID CWE-1236
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Symfony
Web applications / CMS

Vendor SensioLabs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Neutralization of Formula Elements in a CSV File

EUVDB-ID: #VU58371

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41270

CWE-ID: CWE-1236 - Improper Neutralization of Formula Elements in a CSV File

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromsie the target system.

The vulnerability exists due to improper neutralization of formula elements in a CSV File. A remote authenticated attacker can inject formulas into the tag data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Symfony: 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5, 4.4.6, 4.4.7, 4.4.8, 4.4.9, 4.4.10, 4.4.11, 4.4.12, 4.4.13, 4.4.14, 4.4.15, 4.4.16, 4.4.17, 4.4.18, 4.4.19, 4.4.20, 4.4.21, 4.4.22, 4.4.23, 4.4.24, 4.4.25, 4.4.26, 4.4.27, 4.4.28, 4.4.29, 4.4.30, 4.4.31, 4.4.32, 4.4.33, 4.4.34

CPE2.3 External links

http://github.com/symfony/symfony/releases/tag/v4.4.35

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.



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