Vulnerability Details CVE-2021-32919
An issue was discovered in Prosody before 0.11.9. The undocumented dialback_without_dialback option in mod_dialback enables an experimental feature for server-to-server authentication. It does not correctly authenticate remote server certificates, allowing a remote server to impersonate another server (when this option is enabled).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 60.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 4.3
References
- http://www.openwall.com/lists/oss-security/2021/05/13/1
- http://www.openwall.com/lists/oss-security/2021/05/14/2
- https://blog.prosody.im/prosody-0.11.9-released/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
- https://security.gentoo.org/glsa/202105-15
- https://www.debian.org/security/2021/dsa-4916
- http://www.openwall.com/lists/oss-security/2021/05/13/1
- http://www.openwall.com/lists/oss-security/2021/05/14/2
- https://blog.prosody.im/prosody-0.11.9-released/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
- https://security.gentoo.org/glsa/202105-15
- https://www.debian.org/security/2021/dsa-4916
Products affected by CVE-2021-32919
-
cpe:2.3:a:prosody:prosody:0.10.0
-
cpe:2.3:a:prosody:prosody:0.10.1
-
cpe:2.3:a:prosody:prosody:0.10.2
-
cpe:2.3:a:prosody:prosody:0.10.3
-
cpe:2.3:a:prosody:prosody:0.11.0
-
cpe:2.3:a:prosody:prosody:0.11.1
-
cpe:2.3:a:prosody:prosody:0.11.2
-
cpe:2.3:a:prosody:prosody:0.11.3
-
cpe:2.3:a:prosody:prosody:0.11.4
-
cpe:2.3:a:prosody:prosody:0.11.5
-
cpe:2.3:a:prosody:prosody:0.11.6
-
cpe:2.3:a:prosody:prosody:0.11.7
-
cpe:2.3:a:prosody:prosody:0.11.8
-
cpe:2.3:o:debian:debian_linux:10.0
-
cpe:2.3:o:fedoraproject:fedora:32
-
cpe:2.3:o:fedoraproject:fedora:33
-
cpe:2.3:o:fedoraproject:fedora:34