SB2020022450 - Denial of service in Sympa
Published: February 24, 2020 Updated: December 28, 2020
Security Bulletin ID
SB2020022450
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) Resource exhaustion (CVE-ID: CVE-2020-9369)
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. A remote attacker can send a series of requests with malformed parameters and consume all available disk space by creating temporary files.
Remediation
Install update from vendor's website.
References
- https://github.com/sympa-community/sympa/issues/886
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6TMVZ5LVYCCIHGEC7RQUMGUE7DJWUXN7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A3FUYYLV6URRLAJVWXNJYK2CNOKKNHXC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XO4WJYNNHWM7DUKCN4EWYYYPXZSOI7BQ/
- https://sympa-community.github.io/security/2020-001.html
- https://www.debian.org/security/2020/dsa-4818