Vulnerability in Apache Traffic Server
CVE-2018-8040
Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.072 (94.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.072 · newest: 0.072 · 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/3926 (Patch, Third Party Advisory)
- lists.apache.org/thread.html/cc7aa2ce1c6f4fe0c6bfef517763cdaad30ec7bcb0115b73f7… (mailing-list)
- lists.apache.org/thread.html/36b3df68fe7311965f6bc4630ca413d2aa99d8f1d53affda85… (mailing-list)
- www.debian.org/security/2018/dsa-4282 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/105181 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8040?
- CVE-2018-8040 is a medium-severity vulnerability in Apache Traffic Server, classified under Exposure of Resource to Wrong Sphere. CVSS score: 5.3/10. Published 2018-08-29.
- How severe is CVE-2018-8040?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2018-8040 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.