SB2019092912 - Multiple vulnerabilities in SPIP

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Main Vulnerability Database SB2019092912

SB2019092912 - Multiple vulnerabilities in SPIP

Published: September 29, 2019

Security Bulletin ID SB2019092912
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2019-16394)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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.


2) HTTP response splitting (CVE-ID: CVE-2019-16393)

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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.


3) Cross-site scripting (CVE-ID: CVE-2019-16392)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear


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.


4) Improper access control (CVE-ID: CVE-2019-16391)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green


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


Remediation

Install update from vendor's website.

References