CVE-2018-25110
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Summary
Marked prior to version 0.3.17 is vulnerable to a Regular Expression Denial of Service (ReDoS) attack due to catastrophic backtracking in several regular expressions used for parsing HTML tags and markdown links. An attacker can exploit this vulnerability by providing specially crafted markdown input, such as deeply nested or repetitively structured brackets or tag attributes, which cause the parser to hang and lead to a Denial of Service.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
0 < 0.3.17 | affected |
Weaknesses
- CWE-1333: CWE-1333 Inefficient Regular Expression Complexity
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/markedjs/marked/issues/1070
- https://github.com/markedjs/marked/pull/1083
- https://github.com/markedjs/marked/commit/20bfc106013ed45713a21672ad4a34df94dcd485
- https://github.com/Checkmarx/Vulnerabilities-Proofs-of-Concept/tree/main/2018/CVE-2018-25110
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