CVE-2020-7754: Regular Expression Denial of Service (ReDoS)
First published: Fri Oct 16 2020(Updated: )
Node.js npm-user-validate module is vulnerable to a denial of service, caused by a flaw when processing long input strings begin with @ characters for user emails. By sending a specially-crafted input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
Credit: report@snyk.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Cloud Pak for Security (CP4S) | <=1.6.0.1 | |
| IBM Cloud Pak for Security (CP4S) | <=1.6.0.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.5.0.1 | |
| IBM Cloud Pak for Security (CP4S) | <=1.5.0.0 | |
| IBM Cloud Pak for Security (CP4S) | <=1.4.0.0 | |
| Npmjs Npm-user-validate | <1.0.1 | |
| redhat/rh-nodejs14-nodejs | <0:14.15.4-2.el7 | 0:14.15.4-2.el7 |
| redhat/rh-nodejs12-nodejs | <0:12.20.1-1.el7 | 0:12.20.1-1.el7 |
| redhat/rh-nodejs12-nodejs-nodemon | <0:2.0.3-1.el7 | 0:2.0.3-1.el7 |
| redhat/rh-nodejs10-nodejs | <0:10.23.1-2.el7 | 0:10.23.1-2.el7 |
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/189917
- https://www.ibm.com/support/pages/node/6453115 (Advisory)
- https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e
- https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353
- https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1892432
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1892431
- https://access.redhat.com/errata/RHSA-2021:0421
- https://access.redhat.com/security/cve/cve-2020-7754
- https://access.redhat.com/errata/RHSA-2021:0485
- https://access.redhat.com/errata/RHSA-2021:0521
- https://access.redhat.com/errata/RHSA-2021:0548
- https://access.redhat.com/errata/RHSA-2021:0549
- https://access.redhat.com/errata/RHSA-2021:0551
- https://bugzilla.redhat.com/show_bug.cgi?id=1892430
- https://www.cve.org/CVERecord?id=CVE-2020-7754 https://nvd.nist.gov/vuln/detail/CVE-2020-7754 https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2020-7754.
What is the severity of CVE-2020-7754?
The severity of CVE-2020-7754 is high with a CVSS score of 7.5.
Which software packages are affected by CVE-2020-7754?
The npm-user-validate package before version 1.0.1 is affected by CVE-2020-7754.
How can an attacker exploit CVE-2020-7754?
An attacker can exploit CVE-2020-7754 by sending a specially-crafted input string that begins with '@' characters for user emails, causing a denial of service condition.
Is there a fix available for CVE-2020-7754?
Yes, the fix for CVE-2020-7754 is to update the npm-user-validate package to version 1.0.1 or later.
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- canonical/ibm cloud pak for security (cp4s)
- version/ibm cloud pak for security (cp4s)/1.6.0.1
- version/ibm cloud pak for security (cp4s)/1.6.0.0
- version/ibm cloud pak for security (cp4s)/1.5.0.1
- version/ibm cloud pak for security (cp4s)/1.5.0.0
- version/ibm cloud pak for security (cp4s)/1.4.0.0