Arbitrary file upload in SPIP - CVE-2021-44123
Published: June 17, 2022
Vulnerability identifier: #VU64459
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-44123
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of file during file upload. A remote user can upload a specially crafted malicious file and execute it on the server.
Affected software
SPIP
Ubuntu
spip (Ubuntu package)
Ubuntu
spip (Ubuntu package)
How to mitigate CVE-2021-44123
Install updates from vendor's website.
SPIP - update to 4.0.1
spip (Ubuntu package) - addressed in versions 3.1.4-4~deb9u5build0.18.04.1, 3.2.7-1ubuntu0.1, 3.2.11-3+deb11u3build0.21.10.1
spip (Ubuntu package) - addressed in versions 3.1.4-4~deb9u5build0.18.04.1, 3.2.7-1ubuntu0.1, 3.2.11-3+deb11u3build0.21.10.1