Resource exhaustion in Apache Traffic_server
CVE-2019-9512
Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficie…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.834 (99.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Apache Traffic_server
- Apple Mac_os_x
- Apple Swiftnio
- Nodejs Node.js
- Canonical Ubuntu_linux
- Debian Debian_linux — versions 10.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- cret@cert.org (Third Party Advisory, x_refsource_MISC)
- cret@cert.org (mailing-list, x_refsource_MLIST)
- cret@cert.org (mailing-list, x_refsource_MLIST)
- cret@cert.org (mailing-list, x_refsource_MLIST)
- cret@cert.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cret@cert.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cret@cert.org (x_refsource_CONFIRM, Third Party Advisory)
- cret@cert.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cret@cert.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2019-9512?
- CVE-2019-9512 is a high-severity vulnerability in Apache Traffic_server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2019-08-13.
- How severe is CVE-2019-9512?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-9512 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.