CentOS 7 update for mailman
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2016-6893 CVE-2021-42097 CVE-2021-44227 |
| CWE-ID | CWE-352 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
CentOS Operating systems & Components / Operating system |
| Vendor | CentOS Project |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Cross-site request forgery
EUVDB-ID: #VU365
Risk: Medium
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-6893
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: No
DescriptionThe vulnerability allows attackers to perform cross-site request forgery attacks.
The vulnerability exists due to incorrect validation of HTTP request origin. A remote attacker can trick the victim to visit a malicious page with CSRF exploit and obtain victim's password.
Successful exploitation of this vulnerability will allow an attacker to compromise vulnerable application.
MitigationUpdate the affected packages.
Vulnerable software versionsCentOS: 7
External linkshttp://lists.centos.org/pipermail/centos-announce/2021-December/048421.html
http://lists.centos.org/pipermail/centos-announce/2021-December/060969.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Cross-site request forgery
EUVDB-ID: #VU58347
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42097
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and take over the admin account, as the csrf_token value is not specific to a single user account.
MitigationUpdate the affected packages.
Vulnerable software versionsCentOS: 7
External linkshttp://lists.centos.org/pipermail/centos-announce/2021-December/048421.html
http://lists.centos.org/pipermail/centos-announce/2021-December/060969.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Cross-site request forgery
EUVDB-ID: #VU58503
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-44227
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as get a CSRF token and craft an admin request (using that token) to set a new admin password or make other changes.
MitigationUpdate the affected packages.
Vulnerable software versionsCentOS: 7
External linkshttp://lists.centos.org/pipermail/centos-announce/2021-December/048421.html
http://lists.centos.org/pipermail/centos-announce/2021-December/060969.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
