Buffer overflow in Eclipse Vert.x
CVE-2018-12541
In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There should be a reasonnable limit (8192 bytes) above which the WebSocket gets an HTTP response with the 413 status code and the connection gets closed.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Eclipse Vert.x
- The Eclipse Foundation Vert.x — versions unspecified, 3.0
Weakness classification (CWE)
References
- bugs.eclipse.org/bugs/show_bug.cgi (Vendor Advisory)
- github.com/eclipse-vertx/vert.x/issues/2648 (Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2946 (vendor-advisory, Third Party Advisory)
- lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce… (mailing-list)
- lists.apache.org/thread.html/r344235b1aea2f7fa2381495df1d77d02b595e3d7e4626e701… (mailing-list)
- lists.apache.org/thread.html/r362835e6c7f34324ed24e318b363fcdd20cea91d0cea0b2e1… (mailing-list)
- lists.apache.org/thread.html/re5ddabee26fbcadc7254d03a5a073d64080a9389adc9e4525… (mailing-list)
- lists.apache.org/thread.html/r8db0431ecf93f2dd2128db5ddca897b33ba883b7f126648d6… (mailing-list)
- lists.apache.org/thread.html/r3da899890536af744dec897fbc561fd9810ac45e79a16164b… (mailing-list)
- lists.apache.org/thread.html/r11789cd6d67ecca2d6f6bbb11e34495e68ee99287b6c59edf… (mailing-list)
Frequently asked questions
- What is CVE-2018-12541?
- CVE-2018-12541 is a medium-severity vulnerability in Eclipse Vert.x, classified under CWE-789. CVSS score: 6.5/10. Published 2018-10-10.
- How severe is CVE-2018-12541?
- Medium severity. CVSS v3 base score is 6.5 out of 10.