Multiple vulnerabilities in Mastodon
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2023-49952 |
| CWE-ID | CWE-307 CWE-254 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Mastodon Server applications / Other server solutions |
| Vendor | Mastodon |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Improper Restriction of Excessive Authentication Attempts
EUVDB-ID: #VU90726
Risk: Medium
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-49952
CWE-ID:
CWE-307 - Improper Restriction of Excessive Authentication Attempts
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper restriction of excessive authentication attempts within X-Forwarded-For header. A remote attacker can guess valid usernames and corresponding passwords.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMastodon: 4.1.0 - 4.2.8
CPE2.3 External linkshttp://github.com/mastodon/mastodon/security/advisories/GHSA-c2r5-cfqr-c553
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) Security features bypass
EUVDB-ID: #VU90730
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to private mention filtering bypass. A remote attacker can spam or harassment people with whom they have no follow relationships.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMastodon: 0.1.0 - 4.2.8
CPE2.3- cpe:2.3:a:mastodon:mastodon:4.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:4.1.16:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:4.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:3.5.19:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:3.4.10:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:3.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:3.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.9.4:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:1.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:1.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:1.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:0.9.9:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:0.7:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:0.6:*:*:*:*:*:*:*
- cpe:2.3:a:mastodon:mastodon:0.1.2:*:*:*:*:*:*:*
http://github.com/mastodon/mastodon/security/advisories/GHSA-5fq7-3p3j-9vrf
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) Security features bypass
EUVDB-ID: #VU90729
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to missing rate-limit to password change endpoint. A remote user can gain access to the victim's password and change it.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMastodon: 4.1.0 - 4.2.8
CPE2.3 External linkshttp://github.com/mastodon/mastodon/security/advisories/GHSA-q3rg-xx5v-4mxh
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.
