Buffer overflow in Lightbend Play Framework
CVE-2020-27196
An issue was discovered in PlayJava in Play Framework 2.6.0 through 2.8.2. The body parsing of HTTP requests eagerly parses a payload given a Content-Type header. A deep JSON structure sent to a valid POST endpoint (that may or may not expect JSON payloads) causes a StackOverflowError and Denial of Service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.playframework.com/security/vulnerability (Vendor Advisory)
- www.playframework.com/security/vulnerability/CVE-2020-27196-DosViaJsonStackOver… (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-27196?
- CVE-2020-27196 is a high-severity vulnerability in Lightbend Play Framework, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-11-06.
- How severe is CVE-2020-27196?
- High severity. CVSS v3 base score is 7.5 out of 10.