Privilege escalation in Sympa



Published: 2020-05-27 | Updated: 2020-10-15
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-10936
CWE ID CWE-269
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe
Sympa
Server applications / Mail servers

Vendor sympa.org

Security Advisory

This security advisory describes one low risk vulnerability.

1) Improper Privilege Management

Risk: Low

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10936

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local authenticated user to escalate privileges.

The vulnerability exists due to improper management of privileges within the application. A local user can gain elevated privileges via unknown vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Sympa: 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9, 6.2.11, 6.2.12, 6.2.13, 6.2.14, 6.2.15, 6.2.16, 6.2.17b.1, 6.2.17b.2, 6.2.18, 6.2.19b.1, 6.2.19b.2, 6.2.20, 6.2.22, 6.2.23b.1, 6.2.23b.2, 6.2.24, 6.2.25b.1, 6.2.25b.2, 6.2.25b.3, 6.2.26, 6.2.28, 6.2.30, 6.2.32, 6.2.48, 6.2.49, 6.2.50, 6.2.52, 6.2.54

CPE External links

https://github.com/sympa-community/sympa/releases
https://lists.debian.org/debian-lts-announce/2020/10/msg00012.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3J4NZLGAF4ZYK52XEBQDTBNHLGBEPXXN/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3TMQ3CORUOWARALACCBG2SBTIGZ5GY5/
https://sysdream.com/news/lab/
https://sysdream.com/news/lab/2020-05-25-cve-2020-10936-sympa-privileges-escalation-to-root/
https://usn.ubuntu.com/4442-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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