Vulnerability in Npmjs Hosted-Git-Info
CVE-2021-23362
The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl function in index.js. The affected regular expression exhibits polynomial worst-case time complexity.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.036 (89.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Npmjs Hosted-Git-Info
- Siemens Sinec Infrastructure Network Services
- Hosted-Git-Info — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-HOSTEDGITINFO-1088355 (Exploit, Patch, Third Party Advisory)
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088356 (Exploit, Patch, Third Party Advisory)
- github.com/npm/hosted-git-info/commit/bede0dc38e1785e732bf0a48ba6f81a4a908eba3 (Patch, Third Party Advisory)
- github.com/npm/hosted-git-info/commits/v2 (Patch, Third Party Advisory)
- github.com/npm/hosted-git-info/commit/29adfe5ef789784c861b2cdeb15051ec2ba651a7 (Patch, Third Party Advisory)
- github.com/npm/hosted-git-info/commit/8d4b3697d79bcd89cdb36d1db165e3696c783a01 (Patch, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23362?
- CVE-2021-23362 is a medium-severity vulnerability in Npmjs Hosted-Git-Info, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2021-03-23.
- How severe is CVE-2021-23362?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-23362 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.