Resource exhaustion in Sympa
CVE-2020-9369
Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.
Vulnerability class: DoS (Denial of Service)
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 (86.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.5% 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
- Sympa
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 30, 31, 32
Weakness classification (CWE)
References
- sympa-community.github.io/security/2020-001.html (Patch, Third Party Advisory)
- github.com/sympa-community/sympa/issues/886 (Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-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)
- www.debian.org/security/2020/dsa-4818 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-9369?
- CVE-2020-9369 is a high-severity vulnerability in Sympa, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-02-24.
- How severe is CVE-2020-9369?
- High severity. CVSS v3 base score is 7.5 out of 10.