Debian Security Bug TrackerDEBIANCVE:CVE-2017-7562CVE-2017-7562
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
0.002 Low
EPSS
Percentile
58.8%
An authentication bypass flaw was found in the way krb5’s certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | krb5 | < 1.20.1-2+deb12u1 | krb5_1.20.1-2+deb12u1_all.deb |
| Debian | 11 | all | krb5 | < 1.18.3-6+deb11u4 | krb5_1.18.3-6+deb11u4_all.deb |
| Debian | 999 | all | krb5 | < 1.21.3-3 | krb5_1.21.3-3_all.deb |
| Debian | 13 | all | krb5 | < 1.21.2-1 | krb5_1.21.2-1_all.deb |
Related
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
0.002 Low
EPSS
Percentile
58.8%