Anolis OS update for mailman:2.1 (Anolis OS 8.5) module
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-42096 CVE-2021-42097 CVE-2021-44227 |
| CWE-ID | CWE-338 CWE-352 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Anolis OS Operating systems & Components / Operating system mailman Operating systems & Components / Operating system package or component |
| Vendor | OpenAnolis |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
EUVDB-ID: #VU58348
Risk: Medium
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-42096
CWE-ID:
CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to brute-force the administrative password.
The vulnerability exists due to a certain csrf_token value is derived from the admin password. A remote attacker can conduct a brute-force attack against that password and gain unauthorized access to the application.
Install updates from vendor's repository.
Vulnerable software versionsAnolis OS: 8
mailman: before 2.1.29-12
CPE2.3 External linkshttps://anas.openanolis.cn/errata/detail/ANSA-2021:0206
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user 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
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
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.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsAnolis OS: 8
mailman: before 2.1.29-12
CPE2.3 External linkshttps://anas.openanolis.cn/errata/detail/ANSA-2021:0206
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
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
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.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsAnolis OS: 8
mailman: before 2.1.29-12
CPE2.3 External linkshttps://anas.openanolis.cn/errata/detail/ANSA-2021:0206
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.
