Use After Free in Elog Project
CVE-2019-3994
ELOG 3.1.4-57bea22 and below is affected by a denial of service vulnerability due to a use after free. A remote unauthenticated attacker can crash the ELOG server by sending multiple HTTP POST requests which causes the ELOG function retrieve_url() to use a freed variable.
Vulnerability class: Use-After-Free
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Elog Project
- Fedoraproject Fedora — versions 30, 31
- Elog — versions ELOG 3.1.4-57bea22 and below
Weakness classification (CWE)
References
- www.tenable.com/security/research/tra-2019-53 (Exploit, 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)
Frequently asked questions
- What is CVE-2019-3994?
- CVE-2019-3994 is a high-severity vulnerability in Elog Project, classified under Use After Free. CVSS score: 7.5/10. Published 2019-12-17.
- How severe is CVE-2019-3994?
- High severity. CVSS v3 base score is 7.5 out of 10.