#VU52384 Resource exhaustion in Codemirror - CVE-2020-7760
Published: April 21, 2021
Vulnerability identifier: #VU52384
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-7760
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Codemirror
Codemirror
Software vendor:
Codemirror
Codemirror
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing regular expression. A remote attacker can trigger resource exhaustion and perform a regular expression denial of service (ReDoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://github.com/codemirror/CodeMirror/commit/55d0333907117c9231ffdf555ae8824705993bbb
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHEMARMOTTAWEBJARS-1024450
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1024449
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1024445
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCODEMIRROR-1024448
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBCOMPONENTS-1024446
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1024447
- https://snyk.io/vuln/SNYK-JS-CODEMIRROR-1016937
- https://www.debian.org/security/2020/dsa-4789