SB2020092421 - Ubuntu update for spip
Published: September 24, 2020 Updated: April 23, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2019-16392)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in prive/formulaires/login.php. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Information disclosure (CVE-ID: CVE-2019-16394)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to SPIP returns different responses for existing and non-existing email addresses in an error messages from the password-reminder page. A remote attacker can brute-force the password reminder functionality and exfiltrate email addresses of existing web application users.
3) Improper Authorization (CVE-ID: CVE-2019-11071)
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to application allows injection of HTML characters based on presence of "var_memotri" HTTP parameter in request. A remote authenticated visitor can bypass implemented security restrictions by adding "var_memotri" parameter to HTTP request and inject and execute arbitrary HTML and script code.
4) Improper access control (CVE-ID: CVE-2019-16391)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions related to ecrire/inc/meta.php and ecrire/inc/securiser_action.php scripts. A remote authenticated website visitor can bypass implemented security restrictions and modify any published content and execute other modifications in the database
5) Cross-site scripting (CVE-ID: CVE-2017-15736)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
6) Input validation error (CVE-ID: CVE-2019-19830)
The vulnerability allows a remote authenticated user to manipulate data.
_core_/plugins/medias in SPIP 3.2.x before 3.2.7 allows remote authenticated authors to inject content into the database.
7) HTTP response splitting (CVE-ID: CVE-2019-16393)
The vulnerability allows a remote attacker to perform HTTP splitting attacks.
The vulnerability exists due to software does not corrector process CRLF character sequences in ecrire/inc/headers.php script. A remote attacker can send specially crafted request containing CRLF sequence and make the application send a split HTTP response.
Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.
Remediation
Install update from vendor's website.