Resource exhaustion in Apache Http Server
CVE-2018-1333
By specially crafting HTTP/2 requests, workers would be allocated 60 seconds longer than necessary, leading to worker exhaustion and a denial of service. Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.18-2.4.30,2.4.33).
Vulnerability class: DoS (Denial of Service)
EPSS: 0.171 (96.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Http_server — versions 2.4.33
- Apache Software Foundation Http Server — versions Fixed in Apache HTTP Server 2.4.34 (Affected 2.4.18-2.4.30,2.4.33)
- Netapp Cloud_backup
- Netapp Storage_automation_store
- Canonical Ubuntu_linux — versions 18.04
- Redhat Enterprise_linux — versions 6.0, 7.0
- Redhat Jboss_core_services — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (x_refsource_CONFIRM, Vendor Advisory)
- security@apache.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@apache.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2018-1333?
- CVE-2018-1333 is a high-severity vulnerability in Apache Http Server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-06-18.
- How severe is CVE-2018-1333?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-1333 known to be exploited?
- 19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.