Vulnerability in Simplesamlphp
CVE-2018-6521
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Simplesamlphp
- Debian Linux — versions 7.0, 8.0, 9.0
References
- simplesamlphp.org/security/201801-03 (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/02/msg00008.html (mailing-list, Exploit, Mailing List, Third Party Advisory)
- www.debian.org/security/2018/dsa-4127 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-6521?
- CVE-2018-6521 is a critical-severity vulnerability in Simplesamlphp. CVSS score: 9.8/10. Published 2018-02-02.
- How severe is CVE-2018-6521?
- Critical severity. CVSS v3 base score is 9.8 out of 10.