CVE-2019-16394

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-09-17 · updated 2026-06-17
Weakness: CWE-203

Description

SPIP before 3.1.11 and 3.2 before 3.2.5 provides different error messages from the password-reminder page depending on whether an e-mail address exists, which might help attackers to enumerate subscribers.

Affected products

Canonical Ubuntu Linux: 18.04
Debian Linux: 8.0, 9.0, 10.0
SPIP: before 3.1.11; from 3.2.0 before 3.2.5 — fixed in 3.1.11, 3.2.5

How to fix

Upgrade to a fixed version: SPIP 3.1.11, 3.2.5. Check the vendor advisory for mitigations.

References

https://blog.spip.net/Mise-a-jour-CRITIQUE-de-securite-Sortie-de-SPIP-3-2-5-et-SPIP-3-1-11.html
https://core.spip.net/issues/4171
https://lists.debian.org/debian-lts-announce/2019/10/msg00038.html
https://seclists.org/bugtraq/2019/Sep/40
https://usn.ubuntu.com/4536-1/
https://www.debian.org/security/2019/dsa-4532
https://zone.spip.net/trac/spip-zone/changeset/117577/spip-zone
https://zone.spip.net/trac/spip-zone/changeset/117578/spip-zone
https://blog.spip.net/Mise-a-jour-CRITIQUE-de-securite-Sortie-de-SPIP-3-2-5-et-SPIP-3-1-11.html
https://core.spip.net/issues/4171
https://lists.debian.org/debian-lts-announce/2019/10/msg00038.html
https://seclists.org/bugtraq/2019/Sep/40

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