#VU49168 Improper Authentication in Sympa - CVE-2020-29668
Published: December 10, 2020 / Updated: December 28, 2020
Vulnerability identifier: #VU49168
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-29668
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Sympa
Sympa
Software vendor:
sympa.org
sympa.org
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote attacker can bypass authentication process and obtain full SOAP API access by sending any arbitrary string (except one from an expired cookie) as the cookie value to authenticateAndRun.
Remediation
Install updates from vendor's website.
External links
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=976020
- https://github.com/sympa-community/sympa/blob/6.2.59b.2/NEWS.md
- https://github.com/sympa-community/sympa/issues/1041
- https://github.com/sympa-community/sympa/pull/1044
- https://lists.debian.org/debian-lts-announce/2020/12/msg00026.html
- https://www.debian.org/security/2020/dsa-4818