Ubuntu.comUB:CVE-2021-32919CVE-2021-32919
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.003 Low
EPSS
Percentile
68.0%
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).
References
blog.prosody.im/prosody-0.11.9-released/
hg.prosody.im/trunk/rev/6be890ca492e
hg.prosody.im/trunk/rev/d0e9ffccdef9
launchpad.net/bugs/cve/CVE-2021-32919
nvd.nist.gov/vuln/detail/CVE-2021-32919
prosody.im/security/advisory_20210512.txt
security-tracker.debian.org/tracker/CVE-2021-32919
www.cve.org/CVERecord?id=CVE-2021-32919
www.openwall.com/lists/oss-security/2021/05/13/1
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
0.003 Low
EPSS
Percentile
68.0%