Vulnerability in Apache Traffic Server
CVE-2018-8004
There are multiple HTTP smuggling and cache poisoning issues when clients making malicious requests interact with Apache Traffic Server (ATS). This affects versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.
Vulnerability class: HTTP Request Smuggling
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.063 (93.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.063 · change: 0.000
Affected products
- Apache Traffic Server
- Apache Software Foundation Traffic Server — versions 6.0.0 to 6.2.2, 7.0.0 to 7.1.3
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/apache/trafficserver/pull/3201 (Patch, Third Party Advisory)
- github.com/apache/trafficserver/pull/3251 (Patch, Third Party Advisory)
- github.com/apache/trafficserver/pull/3192 (Patch, Third Party Advisory)
- www.securityfocus.com/bid/105192 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2018/dsa-4282 (vendor-advisory, Third Party Advisory)
- lists.apache.org/thread.html/7df882eb09029a4460768a61f88a30c9c30c9dc88e9bcc6e19… (mailing-list)
- github.com/apache/trafficserver/pull/3231 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-8004?
- CVE-2018-8004 is a medium-severity vulnerability in Apache Traffic Server, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 6.5/10. Published 2018-08-29.
- How severe is CVE-2018-8004?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-8004 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.