SB2021032006 - Regular Expression Denial of Service (ReDoS) in ssri
Published: March 20, 2021 Updated: September 5, 2022
Security Bulletin ID
SB2021032006
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect Regular Expression (CVE-ID: CVE-2021-27290)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect processing of SRIs. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.
Remediation
Install update from vendor's website.