SB2019041032 - Authorization bypass in SPIP
Published: April 10, 2019 Updated: September 29, 2019
Security Bulletin ID
SB2019041032
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authorization (CVE-ID: CVE-2019-11071)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
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.
Remediation
Install update from vendor's website.
References
- https://blog.spip.net/Mise-a-jour-CRITIQUE-de-securite-Sortie-de-SPIP-3-1-10-et-SPIP-3-2-4.html
- https://github.com/spip/SPIP/commit/3ef87c525bc0768c926646f999a54222b37b5d36
- https://github.com/spip/SPIP/commit/824d17f424bf77d17af89c18c3dc807a3199567e
- https://github.com/spip/SPIP/compare/1e3872c...9861a47