Integer overflow in Eclipse Jetty
CVE-2017-7657
In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), transfer-encoding chunks are handled poorly. The chunk length parsing was vulnerable to an integ…
Vulnerability class: HTTP Request Smuggling
EPSS: 0.162 (96.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emo@eclipse.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- emo@eclipse.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (Patch, Third Party Advisory, x_refsource_MISC)
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (Patch, Third Party Advisory, x_refsource_MISC)
- emo@eclipse.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-7657?
- CVE-2017-7657 is a critical-severity vulnerability in Eclipse Jetty, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.8/10. Published 2018-06-26.
- How severe is CVE-2017-7657?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-7657 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.