Out-of-bounds Read in Digitalcorpora Tcpflow
CVE-2018-18409
A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Digitalcorpora Tcpflow — versions 1.5.0
- Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
- Fedoraproject Fedora — versions 28, 29
Weakness classification (CWE)
References
- github.com/simsong/tcpflow/issues/195 (Exploit, Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/3955-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-18409?
- CVE-2018-18409 is a medium-severity vulnerability in Digitalcorpora Tcpflow, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-10-17.
- How severe is CVE-2018-18409?
- Medium severity. CVSS v3 base score is 5.5 out of 10.