CVE-2018-6521
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 3 releases
| Version | Status | Fixed in |
|---|---|---|
| sid | Fixed | 1.15.2-1 |
| bullseye | Fixed | 1.15.2-1 |
| bookworm | Fixed | 1.15.2-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | simplesamlphp/simplesamlphp | <1.15.2 | 1.15.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-6521
- https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2018-6521.yaml
- https://github.com/simplesamlphp/simplesamlphp
- https://lists.debian.org/debian-lts-announce/2018/02/msg00008.html
- https://simplesamlphp.org/security/201801-03
- https://www.debian.org/security/2018/dsa-4127
- https://security-tracker.debian.org/tracker/CVE-2018-6521
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.