Vulnerability in Marked Project
CVE-2015-8854
The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service (CPU consumption) via unspecified vectors that trigger a "catastrophic backtracking issue for the em inline rule," aka a "regular expression denial of service (ReDoS)."
Vulnerability class: ReDoS (Regular Expression 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: 0.044 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.044 · change: +0.001
Affected products
- Marked Project
- Fedoraproject Fedora — versions 31, 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- nodesecurity.io/advisories/23 (Patch, Broken Link, Vendor Advisory)
- www.openwall.com/lists/oss-security/2016/04/20/11 (mailing-list, Mailing List, Third Party Advisory)
- support.f5.com/csp/article/K05052081 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8854?
- CVE-2015-8854 is a high-severity vulnerability in Marked Project, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2017-01-23.
- How severe is CVE-2015-8854?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-8854 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.